8 Troubleshooting
8
40 Rittal Liquid Cooling Package
8.3 List of error messages and solutions
Alarm code Display Possible cause Possible solution
ALA02 Alarms ALA02
Position: B2
Probe B2 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA03 Alarms ALA03
Position: B3
Probe B3 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA04 Alarms ALA04
Position: B4
Probe B4 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA06 Alarms ALA06
Position: B6
Probe B6 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA07 Alarms ALA07
Position: B7
Probe B7 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA08 Alarms ALA08
Position: B8
Probe B8 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA09 Alarms ALA09
Position: B9
Probe B9 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA10 Alarms ALA10
Position: B10
Probe B10 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA11 Alarms ALA11
Position: B11
Probe B11 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALA12 Alarms ALA12
Position: B12
Probe B12 faulty or disconnected
alarm
Sensor failure or sensor not cor-
rectly connected.
Check the connection on the moth-
erboard or replace the sensor.
ALB01 Alarms ALB01
Position: ID3
High pressure
High ambient temperature, incor-
rect coolant filling, defective fan.
Check device limits, check coolant
volume and check correct function-
ing of fan.
ALB02 Alarms ALB02
High pressure compressor 1 by
transducer
High ambient temperature, incor-
rect coolant filling, defective fan.
Check device limits, check coolant
volume and check correct function-
ing of fan.
ALB03 Alarms ALB03
Low pressure compressor/com-
pressors by transducer
Incorrect coolant filling, insuffi-
cient quantity of coolant, blocked
coolant lines, thermostatic valve
closed.
Check coolant volume, check lines
for leaks, check thermostatic valve.