3 USER
GUIDE
3.4 Troubleshooting
The Redarc BMS is one of the most advanced Battery Management Systems on
the market. It has been designed to detect and advise the operator of a variety
of fault conditions and will terminate the charging cycle immediately should a
critical fault be detected. This ensures that it will not attempt to charge a faulty
battery, which protects the BMS, house battery and most importantly the user.
The Remote Display is used to inform the user of the nature of the problem
whenever possible. These indicators should be used to diagnose, and if possible
correct any faults that may occur. If after attempting to rectify the situation,
a fault still occurs, please send the unit back to Redarc for diagnosis. When
attempting to diagnose a fault, cabling should be over-rated and all components,
including all input sources and house battery should be connected as close as
possible to the BMS.
BMS FAULT MESSAGE
CAUSE
ACTION
BMS over current fault
An internal error has caused excessive
current draw
Return to supplier
Output battery over voltage fault
The output battery voltage is too high
(above 18V)
Check battery is correct type (12V, 6
cell)
Internal temp sensor short circuit fault
There is an error with the internal
temperature sensor
Return to supplier
Internal temp sensor open circuit fault
There is an error with the internal
temperature sensor
Return to supplier
Unit over temperature fault. Allow to cool
The unit has over heated
Allow to cool, charging will recom-
mence automatically
Output battery under temperature fault
Output battery is below 0°C
BMS will halt charging until battery is
above 5°C
Output battery over temperature fault
Output battery is above 60°C
BMS will halt charging until battery is
below 55°C
Internal solar relay open circuit fault
There is an error with an internal relay
Contact supplier
Internal solar relay short circuit fault
There is an error with an internal relay
Contact supplier
Internal DC relay open circuit fault
There is an error with an internal relay
Contact supplier
Internal DC relay short circuit fault
There is an error with an internal relay
Contact supplier
Internal output relay open circuit fault
There is an error with an internal relay
Contact supplier
Internal output relay short circuit fault
There is an error with an internal relay
Contact supplier
Dry cell detected in output battery
BMS ha sdetected a dry cell in output
battery
Replace battery
Shorted cell detected in output battery
BMS has detected a shorted cell in
output battery
Replace battery
Fault detected in output battery
BMS has detected a fault in output
battery
Replace battery
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Содержание BMS1215S2
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