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Error no.
Fault/unit behavior
LED:
Compressor:
Evaporator fan (internal):
Condenser fan (external):
Heating (external):
Fault signal contact:
LED:
Compressor:
Evaporator fan (internal):
Condenser fan (external):
Heating (external):
Fault signal contact:
LED:
Compressor:
Evaporator fan (internal):
Condenser fan (external):
Heating (external):
Fault signal contact:
Tab. 13: Possible error messages (continued)
Operating Manual | Attachment and Installing Cooling Units X-Series | Premium Controller – 230 V | 086100133
Possible causes
flashes
Antifreeze (option):
Antifreeze-Sensor ≤ 1°C.
OFF
Safety cut-out because the
OFF
evaporator is threatening to
ice up.
OFF
OFF
Open
flashes
Sensor 5 (TS5) defective.
OFF
OFF
OFF
OFF
Open
flashes
Motor circuit breaker:
Current consumption of the
OFF
compressor too high, serious
ON
error
OFF
OFF
Open
Remedial measures
Restart operation after
condensate has evaporated.
A restart is only possible by
disconnecting and
reconnecting the mains
voltage.
No other reset is provided for
safety reasons.
Clean the fins of the heat
exchanger (internal/external).
Check switch cabinet for
leakages.
Select a higher switch cabinet
temperature setpoint.
Check the evaporator fan
(internal) function.
Replace sensor 5 or the
controller card according to
the unit type.
A restart is necessary by
disconnecting and
reconnecting the mains
voltage. No reset is provided
for safety reasons. Check for
soiling, check function of fans.
If it trips again, it may be
necessary to replace the
compressor.
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