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X100 SERIES
INSTALLATION & OPERATING MANUAL
Manual No. x100-5a
x100-man-Rev5a-0214.indd
6. Alarms
These are all part of one alarm status flag held within the controller.
ACFAIL
- Indicates an AC Failure detected by the power supply rectifiers or an external
sensor.
MAJOR
- Indicates that a major alarm condition requiring immediate attention has been
detected by the controller.
MINOR
- Indicates that a minor alarm condition requiring attention at the next scheduled
maintenance has been detected by the controller.
SINGLE RECTIFIER FAILURE (SRFA)
- The controller has detected that a single rectifier
has failed
MULTI RECTIFIER FAILURE (MRFA)
- The controller has detected that multiple rectifiers
have failed.
OVER TEMPERATURE ALARM (OTA)
- The controller has detected an over temperature
condition on battery/external/controller temperature sensor.
OVER VOLTAGE ALARM (OVA)
- The controller has detected an over voltage condition
on the bus.
UNDER VOLTAGE ALARM (UVA)
- The controller has detected an under voltage condition
on the bus.
END VOLTAGE ALARM (EVA)
- The controller has detected an End Voltage condition, i.e.
the batteries are near end of discharge.
LOW VOLTAGE DISCONNECT ALARM (LVD)
- The controller has detected that one of
the LVDs is open.
FUSE ALARM
- The controller has detected that a fuse or breaker is open.
CHECK BATTERY (CHKBAT)
- The controller has detected a fault with the battery string(s)
either temperature or current related.
COMMUNICATION FAULT (COMM)
- The controller has detected a problem with the
internal I²C bus.
