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100 08/2017
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2.5 Error messages and troubleshooting
Servicing messages
Text in display
Response from
Effect
Caused by
Remedy
“Configuration error”
warning message in the display faulty parameterisation
check parameter setting
“Replace oil filter”
[22] dif
ferential pressure
warning message
oil filter cartridge
Replace cartridge
transmitter
in display
blocked
Error-messages
Text in display
Response from
Effect
Caused by
Remedy
“Oil cooler malfunction”
control contact motor
shutdown and error
voltage loss at F2
check electric line supplying oil
contactor [F2]
message
cooler fan
Check oil cooler fan for short circuit
Remove
from
ventilator
Check settings of motor contactor
“Oil pump malfunction”
control contact motor
shutdown and error
voltage loss at F3
Check electric line supplying oil
contactor [F3]
message
pump
Check oil pump for short circuit
Clean suction neck of pump
Check setting of motor contactor
“Ceiling ventilator malfunction” control contact motor
shutdown and error
voltage loss in F4.1
Check electric line supplying
contactor [F4.1]; [F
.4.2]
message
and/or F4.2
cabinet fan
Check outside fan grid for damage
Check fan for short circuit
(Note:
The control contacts of both cabinet fans have a serial wire connection so that failure of one contactor
Remove alien bodies from fan already
generates an error message.)
Check setting of motor contactor
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