V I C T R O N / L E A R N I N G

Modules

105 modules. Find a topic and check its outcome.

SearchTierTrackVerdict

Module catalogue
Node id	Title	Tier	Track	Duration	Verdict	Outcome
CM-COM-02	Commissioning checks before power-up	Installer	Foundation	2.86 min	REVISE	Use a commissioning checklist for the checks before power-up, in a safe order: isolation, mechanical and torque checks, DC polarity and voltage, then the dead tests.
CM-COM-05	Charging the battery to full at commissioning	Installer	Foundation	2.94 min	REVISE	Charge the battery to full at commissioning so that the battery monitor synchronises and the cells can balance, and record the result.
CM-COM-06	Checking VRM monitoring before you leave the site	Installer	Foundation	2.56 min	REVISE	Confirm that the site sends data to VRM, that the alarm rules are on, and that the client and the installer receive a test alarm before you leave the site.
CM-COM-08	Commissioning first power-up and settings	Installer	Foundation	2.79 min	ACCEPT WITH FIXES	Make the first power-up in the checklist order: close the battery connection with pre-charge, then update the firmware and enter and check the settings of each device.
CM-DOC-04	Installation photo record	Installer	Foundation	2.35 min	ACCEPT WITH FIXES	Take and file photos of each termination, label and serial number before the covers go on, so that warranty and service work has evidence.
CM-DOC-05	Site service log	Installer	Foundation	2.3 min	ACCEPT WITH FIXES	Record each later visit, firmware update and settings change in the site log with the date and the reason.
CM-HND-05	Owner actions on a MultiPlus-II alarm	End user	Foundation	2.8 min	ACCEPT WITH FIXES	Follow the owner action list for a low-battery, overload or grid-loss alarm, and tell when to call the installer.
CM-SIZ-06	Sizing for battery current limits	DIY	Foundation	2.99 min	ACCEPT WITH FIXES	Check that the battery and BMS discharge limit covers the peak inverter current, and that the charge limit covers all chargers at the same time.
CM-WAR-01	Victron warranty and the dealer path	Installer	Foundation	2.76 min	ACCEPT WITH FIXES	Tell what the Victron product warranty covers, and that a claim goes through the dealer that sold the product.
DG-BAT-02	Troubleshooting early charge stop from BMS limits	Installer	Foundation	2.84 min	ACCEPT WITH FIXES	Read the BMS CVL and CCL on the GX and decide whether a BMS limit, cell imbalance, low temperature or a driver default stops charging early.
DG-EC-01	Fault indications on Victron products	End user	Foundation	2.69 min	ACCEPT WITH FIXES	Find where a Victron product shows its state and its faults: unit LEDs, display, VictronConnect, GX notifications and VRM.
DG-EC-02	Looking up a code in the official error list	DIY	Foundation	2.29 min	ACCEPT WITH FIXES	Find the official Victron error code page for a product family and read the cause and the action for a code.
DG-EC-05	Reading VE.Bus error codes on a GX device	DIY	Foundation	2.95 min	ACCEPT WITH FIXES	Read the VE.Bus error number on a GX or in VictronConnect and look up its meaning.
DG-EC-07	Troubleshooting VE.Bus error 8	Installer	Foundation	2.98 min	ACCEPT WITH FIXES	Find why the ground relay test fails (VE.Bus error 8) by checking the neutral-earth wiring on AC-out.
DG-EC-08	Troubleshooting VE.Bus communication errors in multi-unit systems	Installer	Foundation	2.94 min	REVISE	Find the cause of a VE.Bus communication error in a parallel or three-phase system: a cable, mixed firmware or a missing unit.
DG-EC-10	Troubleshooting low battery shutdown when a lithium battery looks full	Installer	Foundation	2.99 min	REVISE	Find why a MultiPlus shuts down on low battery while the lithium battery is full: shutdown levels, cable voltage drop or a BMS discharge limit.
DG-EC-11	Troubleshooting high temperature alarms	DIY	Foundation	2.69 min	ACCEPT WITH FIXES	Find the cause of a high temperature alarm on an inverter/charger: airflow, ambient temperature, load or a loose connection.
DG-EC-12	Troubleshooting rejected generators	Installer	Off-grid	2.6 min	REVISE	Find why a MultiPlus does not accept a generator: voltage or frequency window, input current limit or the weak-AC setting.
DG-EC-14	Reading MPPT LED codes	DIY	Foundation	1.89 min	REVISE	Read the bulk, absorption and float LEDs of an MPPT and tell a normal charge state from an error blink pattern.
DG-ESS-01	Troubleshooting ESS grid metering	Installer	ESS / grid	2.85 min	REVISE	Find a grid meter in the wrong role or position, or a CT on the wrong phase or in the wrong direction, from the GX power values.
DG-ESS-02	Troubleshooting ESS that does not discharge	Installer	ESS / grid	2.86 min	ACCEPT WITH FIXES	Find why an ESS does not discharge: minimum SoC, the BatteryLife limit, the grid setpoint, a BMS discharge limit or a charge schedule.
DG-ESS-03	Troubleshooting ESS grid reconnect	Installer	ESS / grid	2.98 min	ACCEPT WITH FIXES	Read why an ESS stays disconnected after a grid outage from the grid code limits and the GX status.
DG-ESS-04	Troubleshooting Dynamic ESS decisions	Installer	ESS / grid	2.55 min	REVISE	Read the Dynamic ESS schedule and forecast in VRM and tell whether wrong inputs or loads that VRM cannot see cause an unexpected decision.
DG-FW-01	Troubleshooting interrupted VE.Bus firmware updates	Installer	Foundation	2.91 min	ACCEPT WITH FIXES	Recover a VE.Bus unit after an interrupted firmware update and load the saved settings again.
DG-GEN-02	Telling active errors from history errors	DIY	Foundation	2.27 min	ACCEPT WITH FIXES	Tell an active error from an error in the history and decide which one needs action.
DG-GEN-05	Troubleshooting system faults one part at a time	Installer	Foundation	2.94 min	ACCEPT WITH FIXES	Isolate a fault by checking one part at a time (supply, battery, communication, settings) and changing one thing at a time.
DG-GEN-07	Troubleshooting AC leakage in the loads	Installer	Foundation	2.77 min	REVISE	Find an AC-out load with neutral-earth leakage by disconnecting the loads one at a time.
DG-GEN-08	Collecting evidence for support	Installer	Foundation	2.91 min	ACCEPT WITH FIXES	Collect the firmware versions, settings files, VRM portal ID, error history and photos that a dealer needs to handle a fault.
DG-GX-01	Troubleshooting devices missing from GX	DIY	Foundation	2.69 min	ACCEPT WITH FIXES	Find why a VE.Direct or USB device is missing from the GX: port limits, a power-only USB port, the cable or the device setting.
DG-GX-03	Troubleshooting missing VRM notifications	DIY	Foundation	2.64 min	ACCEPT WITH FIXES	Find why VRM alarm notifications stop: a muted rule, a phone not enabled for the site, or rate limiting after many alarms.
DG-GX-04	Troubleshooting add-ons after a Venus OS update	Installer	Foundation	2.34 min	REVISE	Find a Node-RED flow or a community driver that stops working or overrides the BMS after a Venus OS update.
DG-GX-05	Restarting and resetting GX device	Installer	Foundation	2.96 min	ACCEPT WITH FIXES	Recover a GX device that does not start or is locked, first by a restart and then by a reset to factory settings.
DG-GX-06	Troubleshooting VictronConnect Bluetooth connections	DIY	Foundation	2.77 min	ACCEPT WITH FIXES	Find why VictronConnect cannot connect over Bluetooth: an old phone pairing, a wrong PIN, Bluetooth turned off on the device, or the Windows app.
DG-GX-07	Troubleshooting MK3-USB connections to VE.Bus products	Installer	Foundation	2.96 min	REVISE	Find why VEConfigure or VictronConnect cannot reach a VE.Bus unit: a GX on the same bus, the COM port, an iOS phone or the MK3 driver.
DG-MM-01	Troubleshooting Orion DC-DC low output	DIY	Mobile	2.98 min	REVISE	Find why an Orion DC-DC charger gives no or low output: engine detection levels, input cable voltage drop, the negative path or the unit state shown by its LEDs.
G01	Troubleshooting MPPT with no charge current	Not set	Not set	2.99 min	ACCEPT WITH FIXES	Outcome not in graph.
G03	Connecting MPPT in the safe order	Not set	Not set	2.9 min	ACCEPT WITH FIXES	Outcome not in graph.
G04	Troubleshooting MPPT errors after a firmware update	Not set	Not set	2.22 min	ACCEPT	Outcome not in graph.
G05	Troubleshooting charger error 67	Not set	Not set	1.75 min	ACCEPT WITH FIXES	Outcome not in graph.
G08	Troubleshooting CAN battery detection on Cerbo GX	Not set	Not set	2.93 min	ACCEPT WITH FIXES	Outcome not in graph.
G15	Configuring battery monitor on Cerbo GX	Not set	Not set	2.98 min	ACCEPT WITH FIXES	Outcome not in graph.
G16	Configuring lithium charge settings on MPPT	Not set	Not set	2.94 min	ACCEPT WITH FIXES	Outcome not in graph.
G19	Troubleshooting VE.Bus error 11	Not set	Not set	2.96 min	ACCEPT WITH FIXES	Outcome not in graph.
G20	Troubleshooting RCD trips on a MultiPlus-II	Not set	Not set	2.96 min	ACCEPT WITH FIXES	Outcome not in graph.
G23	Troubleshooting MultiPlus-II overload and DC ripple alarms	Not set	Not set	2.96 min	REVISE	Outcome not in graph.
G27	Configuring ESS grid codes	Not set	Not set	2.96 min	ACCEPT WITH FIXES	Outcome not in graph.
G30	Updating Victron firmware safely	Not set	Not set	2.96 min	ACCEPT WITH FIXES	Outcome not in graph.
G36	Troubleshooting Phoenix restarts and LED codes	Not set	Not set	2.98 min	ACCEPT WITH FIXES	Outcome not in graph.
G37	Sizing DC cables and fuses	Not set	Not set	3.02 min	ACCEPT WITH FIXES	Outcome not in graph.
G38	Connecting AC and DC cables with good workmanship	Not set	Not set	2.99 min	ACCEPT WITH FIXES	Outcome not in graph.
PH-004	Cable sizes in mm2 and AWG	DIY	Foundation	2.22 min	ACCEPT WITH FIXES	Read a cable cross-section in mm2 or AWG from the cable print and convert between the two with a table.
PH-010	Connecting cables to paralleled inverter/chargers	Installer	Foundation	2.86 min	REVISE	Make the DC and the AC cables to each paralleled inverter/charger the same length and cross-section, torque every connection to the same value, and do not over-dimension the AC cables.
PH-015	Cable lugs: selection	DIY	Foundation	1.68 min	ACCEPT WITH FIXES	Choose a cable lug that matches both the cable cross-section and the stud diameter of the terminal.
PH-023	Connecting VE.Bus and VE.Can data cables	DIY	Foundation	2.98 min	REVISE	Use factory-made straight UTP cables for VE.Bus and VE.Can, never crossover cables, and label any cable with a special BMS pinout.
PH-024	Connecting small signal wires	DIY	Foundation	2.86 min	REVISE	Terminate small signal wires (remote on/off, relay contacts, temperature sensor) in pluggable terminal blocks with the correct wire size and a ferrule where needed.
PH-027	Installing Lynx busbar strings	DIY	Foundation	3 min	ACCEPT WITH FIXES	Join Lynx modules (Power In, Shunt, Smart BMS, Distributor) in the order of the system design and torque the busbar joints to the manual value.
PH-029	Installing covers on busbars and Lynx modules	DIY	Foundation	2.87 min	REVISE	Fit the covers or insulating boots on busbars, fuse holders and battery terminals before you leave the work area.
PH-035	Installing battery temperature sensors	DIY	Foundation	2.97 min	ACCEPT WITH FIXES	Fit a battery temperature sensor (Smart Battery Sense, shunt temperature input or charger sensor) on the battery terminal or case where the maker specifies.
PH-038	Installing DC cable runs	DIY	Foundation	1.96 min	ACCEPT WITH FIXES	Protect a cable run from chafe and strain with supports at intervals and with grommets or glands where it passes through a panel.
PH-045	Connecting PV strings	DIY	Foundation	2.99 min	REVISE	Connect PV modules into the series strings and parallel groups that the design shows.
PH-047	Connecting Orion DC-DC charger cables	DIY	Mobile	2.97 min	ACCEPT WITH FIXES	Run and terminate the input and output cables of an Orion DC-DC charger between the starter and house batteries, with a sound negative return path.
PH-050	Installing energy meter current transformers	Installer	ESS / grid	2.49 min	REVISE	Fit the current transformers of an energy meter on the correct conductor of each phase, with the arrow in the direction of power flow that the manual gives.
PH-052	Connecting inverter/charger remote on/off	DIY	Foundation	2.99 min	REVISE	Wire a BMS or BatteryProtect signal to the remote on/off terminals of an inverter/charger, and leave the unit switch on, because the remote input works only then.
PR-ESS-12	Testing ESS operation at commissioning	Installer	ESS / grid	2.47 min	ACCEPT WITH FIXES	Test grid setpoint tracking, the feed-in limit and the change-over on loss of mains before you hand over an ESS site.
PR-GX-14	Monitoring Orion DC-DC chargers on GX	Installer	Mobile	2.94 min	ACCEPT WITH FIXES	Show the energy of an Orion DC-DC charger correctly on a GX, with a shunt set as a DC energy meter when the Orion has no data port.
PR-VC-03	Configuring PIN codes in VictronConnect	DIY	Foundation	1.72 min	ACCEPT WITH FIXES	Change the Bluetooth PIN of a Smart device and reset a lost PIN with the PUK code from the product label.
SF-003	PV array voltage in daylight: safety	End user	Foundation	2.01 min	ACCEPT WITH FIXES	Treat a PV array and its cables as live in daylight, because the modules cannot be switched off.
SF-004	Protective equipment for battery work: safety	DIY	Foundation	2.36 min	REVISE	Remove metal jewellery and wear eye protection and suitable gloves before you work on batteries.
SF-014	Commissioning inverter pre-charge with a BMS	DIY	Foundation	2.5 min	ACCEPT WITH FIXES	Pre-charge the input capacitors of an inverter before the main DC connection closes, with a resistor or the pre-charge function of the BMS, as the manual describes.
SF-018	Battery bank short circuit current: safety	DIY	Foundation	1.91 min	REVISE	Find the prospective short-circuit current of a battery bank from the battery data sheet or from the battery maker.
SF-021	Sizing branch circuit fuses	DIY	Foundation	2.96 min	REVISE	Fuse each branch circuit at the distribution point so that the fuse protects the smaller branch cable.
SF-023	Installing Orion DC-DC charger fuses	DIY	Mobile	2.59 min	ACCEPT WITH FIXES	Fuse both the input cable and the output cable of a DC-DC charger, because each cable connects to a battery.
SF-025	Installing DC circuit breakers	DIY	Foundation	2.88 min	ACCEPT WITH FIXES	Fit a DC circuit breaker rated for DC and the system voltage, and install a polarised breaker in its marked current direction.
SF-026	BatteryProtect with inverters: safety	DIY	Foundation	2.71 min	REVISE	Switch an inverter off through its remote on/off input from a BatteryProtect, and never put the BatteryProtect in the inverter DC feed.
SF-046	Disconnecting PV connectors: safety	DIY	Foundation	2.89 min	REVISE	Open a PV circuit with its isolator or by stopping the MPPT, and never by pulling a PV connector apart while current flows.
TH-3P-01	AC supply systems: types	DIY	Foundation	2.44 min	ACCEPT WITH FIXES	Name single-phase, split-phase and three-phase supplies, and give the phase-to-neutral and phase-to-phase voltages of each.
TH-3P-06	Split-phase systems: theory	Installer	Foundation	2.35 min	REVISE	Tell how two inverter/chargers or an autotransformer make a 120/240 V split-phase supply, and which loads a 120 V-only source can supply.
TH-AC-01	AC voltage and frequency: theory	End user	Foundation	1.86 min	ACCEPT WITH FIXES	Tell AC from DC, and name the RMS voltage and the frequency of the local mains supply.
TH-AC-04	AC conductors: types	End user	Foundation	2.08 min	ACCEPT WITH FIXES	Name the line, neutral and protective earth conductors of an AC circuit, tell the job of each, and tell which ones carry current in normal use.
TH-ACC-02	AC PV on the inverter output: theory	Installer	Foundation	2.89 min	REVISE	Tell why an AC-coupled PV inverter goes on the AC output of the inverter/charger in an off-grid or backup system, and what goes wrong on the AC input.
TH-ACC-04	AC PV power limit: theory	Installer	Foundation	2.9 min	ACCEPT WITH FIXES	Tell why the AC-coupled PV power must not be more than the inverter/charger power (the 1:1 rule).
TH-ACC-06	ESS grid setpoint: theory	Installer	ESS / grid	2.78 min	REVISE	Tell how ESS measures the power at the grid connection and changes the inverter/charger power to hold the grid setpoint, and read the sign of import and export.
TH-ACC-08	Minimum battery capacity for AC PV: theory	Installer	Foundation	2.4 min	ACCEPT WITH FIXES	Calculate the minimum battery capacity that a given AC-coupled PV power needs.
TH-BAT-05	Battery charge efficiency: theory	DIY	Foundation	2.89 min	REVISE	Tell why a battery needs more charge in than it gave out, and compare the charge efficiency of lead-acid and lithium.
TH-BAT-06	Internal resistance and voltage sag: theory	DIY	Foundation	2.99 min	ACCEPT WITH FIXES	Tell why battery voltage falls under a heavy load and rises during charge, and why the effect is smaller in a lithium battery.
TH-BAT-08	Battery temperature effects: theory	End user	Foundation	1.84 min	REVISE	Tell how cold reduces the available capacity and how heat shortens the life of lead-acid and lithium batteries.
TH-BAT-09	Lithium charging in the cold: theory	DIY	Foundation	2.99 min	REVISE	Tell why a lithium iron phosphate battery must not charge below its low-temperature limit, and why every charger on it then needs a temperature source.
TH-BAT-10	Battery voltage and state of charge: theory	End user	Foundation	2.56 min	ACCEPT WITH FIXES	Tell why rest voltage is a fair guide to the state of charge of a lead-acid battery but not of a lithium iron phosphate battery, whose voltage curve is flat.
TH-BAT-15	Cell imbalance: theory	DIY	Foundation	2.96 min	ACCEPT WITH FIXES	Tell how one cell at a high voltage makes a BMS stop the charge before the battery pack reaches its set voltage.
TH-CHG-04	Temperature compensation: theory	DIY	Foundation	2.78 min	ACCEPT WITH FIXES	Tell why the charge voltage of a lead-acid battery must fall as the battery temperature rises, and why a lithium battery needs no temperature compensation.
TH-CHG-05	Lithium charge profile: theory	DIY	Foundation	2.94 min	REVISE	Tell how a lithium iron phosphate charge profile differs from a lead-acid profile: lower absorption voltage, short absorption, float near rest voltage and no temperature compensation.
TH-CHG-06	Battery charge current limit: theory	DIY	Foundation	2.96 min	ACCEPT WITH FIXES	Calculate the maximum charge current of a battery bank from its C-rate and its BMS limit, and check that the sum of all chargers stays below it.
TH-CHG-08	Charger voltage sense: theory	DIY	Foundation	2.78 min	REVISE	Tell why a charger measures a higher voltage than the battery terminals during charge, and how a shared battery voltage sense corrects it.
TH-DC-01	Voltage, current and resistance: theory	End user	Foundation	2.05 min	ACCEPT WITH FIXES	Name voltage, current and resistance with their units, and tell which one a meter measures across a part and which one it measures through a part.
TH-DC-02	the voltage-current-resistance law: theory	DIY	Foundation	2.21 min	ACCEPT WITH FIXES	Calculate the current, the voltage or the resistance in a DC circuit when the other two values are known.
TH-DC-03	Electrical power: theory	End user	Foundation	2.06 min	ACCEPT WITH FIXES	Calculate the power of a DC load from its voltage and current, and calculate its current from its power and voltage.
TH-DC-04	Power and energy: theory	End user	Foundation	1.86 min	ACCEPT WITH FIXES	Tell power in watts from energy in watt-hours, and calculate the energy that a load uses in a given time.
TH-DC-05	Amp-hours and watt-hours: theory	End user	Foundation	1.9 min	ACCEPT WITH FIXES	Convert a battery capacity in amp-hours to watt-hours at the nominal battery voltage, and compare the energy of two batteries with different voltages.
TH-DC-07	Cable resistance: theory	DIY	Foundation	1.94 min	ACCEPT WITH FIXES	Tell how the resistance of a copper cable changes with its length and with its cross-section.
TH-DC-08	Power loss in cables and connections: theory	DIY	Foundation	2.18 min	ACCEPT WITH FIXES	Calculate the power that a cable or a connection turns into heat from its current and resistance, and show that double the current gives four times the loss.
TH-INV-02	Inverter battery current: theory	DIY	Foundation	2.86 min	ACCEPT WITH FIXES	Calculate the battery current that an inverter draws for a given AC load, efficiency and battery voltage.
TH-INV-10	Capacitor inrush current: theory	DIY	Foundation	2.24 min	REVISE	Tell why the input capacitors of an inverter draw a very large current for a moment when a battery connects to them, and why that current makes a spark at the terminal.
TH-PV-05	Sizing PV strings for cold-day voltage	DIY	Foundation	2.53 min	ACCEPT WITH FIXES	Calculate the open-circuit voltage of a PV string on the coldest expected day from the module temperature coefficient.
TH-PV-07	MPPT ratings: theory	DIY	Foundation	2.7 min	ACCEPT WITH FIXES	Read the maximum PV voltage, the maximum PV short-circuit current and the rated charge current of an MPPT, and tell what happens when the array is larger than these ratings.
TH-SYS-01	Victron system parts for owners	End user	Foundation	2.72 min	ACCEPT WITH FIXES	Name the job of each part of a Victron system (battery, inverter/charger, solar charger, battery monitor and GX device) and the charge states that a display shows.

Outcomes come from the graph. 15 module ids have no graph node. Their outcomes are not available here. Verdicts record the draft review.