
8 Troubleshooting
8
42
Rittal Liquid Cooling Package
ALL02
Alarms ALL02
Power+ Generic Alarm
Over or under current; over or un-
der voltage; over or under tem-
perature of the drive of the
compressor motor; see drive
manual "code [105]".
Check the cable; check previous
high pressure alarm.
ALL99
99 Unexpected inverter stop
Short power failure.
Restart the unit; connect to a UPS
if necessary.
After the reset, the alarm is stored
in the alarm data log as ALL01.
ALW04
ALW04
Max temperature (warning)
A previous alarm has stopped the
unit; heat load too high compared
to the cooling capacity of the unit.
Reset the previous alarm.
Alarm code
Display
Possible cause
Possible solution