0X12
What This Code Means
AC breaker is OPEN or has tripped.; DC supplementary surge protector has expired.; DC breaker is OPEN or has tripped.; No other devices are found on SENSbus.; No module power boards are found on SENSbus.; Invalid configuration of one or more power modules in the unit.; A power module in the unit has faulted.; Device is not communicating on SENSbus; Battery is beginning to discharge; DC output voltage is below Batt Discharge Voltage alarm setpoint; DC output voltage is below Batt End Discharge Voltage alarm setpoint; Ground fault current to the negative output terminal is above the Ground Fault Trip sensitivity setpoint; Charger has shut itself off; Charger detected an issue; Battery voltage is below the Startup Voltage setpoint; Unit output voltage is disabled; Problem with one or more of the module fans; Battery has failed the most recent battery check; Output current is more than rated current; Charger reading battery temperature and compensating voltage; Charger is set to charge an
Possible Causes
- •A power module in the unit has faulted.
- •AC breaker is OPEN or has tripped.
- •Battery Check
- •Battery End Discharge
- •Battery On Discharge
- •DC Below Startup Voltage
- •DC Negative open (loss of high current negative connection in parallel chargers)
- •DC breaker is OPEN or has tripped.
- •DC supplementary surge protector has expired.
- •Fan Fail
- •Ground Fault Negative
- •High Charger Current
- •Invalid configuration of one or more power modules in the unit.
- •No module power boards are found on SENSbus
- •No module power boards are found on SENSbus.
- •No other devices are found on SENSbus.
- •SENS Bus Inactive
- •UltraCap Mode Active
- •Using Battery Temperature
Suggested Actions
- 1Check SENSbus communication
- 2Check battery terminal connections
- 3Forced startup feature overrides
- 4Replace DC supplementary surge protector.
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