ABB PowerValue 11 RT, Quick Manual

Page: 22 / 221

Quick guide | PowerValue 11 RT 6-10 kVA 19
1en
Alarm or Event Possible cause Remedy
ON Maintenance
Bypass
Alarm Code: 72 UPS was manually switched to
bypass and will remain in bypass
until manually transferred out of
bypass Check the maintain bypass switch
status
Heat sink Over
Temperature
Alarm Code: 81 Indicates that the temperature of
heat sink is too high indicating an
over temperature of the UPS. Transfer the UPS to Bypass-mode. If
the condition persists, shut down the
UPS. Clear vents and remove any
heat sources. Allow the UPS to cool.
Ensure the airflow around the UPS is
not obstructed. Restart the UPS.
Ambient Over
Temperature
Alarm Code:82 Indicates that the ambient
temperature is higher than the
operation temperature on
specification Change the positioning of the UPS or
use an adequate air conditioning
system.
Fan Failure
Alarm Code:84 Indicates that the fan is not working
properly. Check fans of UPS
Back feed
Alarm Code:93 UPS has an unexpected bypass
current on battery-mode Transfer to maintenance bypass and
call service.
Fatal Eeprom Fault
Alarm Code:A3 Indicates that the UPS could not
read the Eeprom successfully Contact your service representative
Negative power
Fault
Alarm Code: E1 Parallel system: power from one UPS
flows from the parallel output into the
other UPS in the system (negative
power) If the parallel system is in redundant-
mode, only the UPS with the failure
will transfer to fault-mode without
output. Other UPS will still support
the load.
If the parallel system is not
redundant and the load cannot be
supported by the other UPS, all units
in the parallel system will transfer to
fault-mode.
Parallel cable loss
Alarm Code: E2 Parallel system: Parallel cable
disconnected Connect the parallel cable
Parallel system
battery status
Alarm Code: E6 UPS1 batteries connected, UPS2
batteries disconnected Check battery connections
Line input different
Alarm Code: E7 Parallel system: UPS1 line ok, UPS2
line lost Check the input line