STATUS DISPLAYS AND ERROR MESSAGES
Message
Cause
Remedy
Overtemperature, temperature above
alarm limit of parameter A1/A31
Undertemperature, temperature below
alarm limit of parameter A2/A33
Error on sensor F1, short-circuit
check sensor F1
Error on sensor F1, wire broken
check sensor F1
Error on sensor F2, short-circuit
check sensor F2
Error on sensor F2, wire broken
check sensor F2
Error on sensor F3, short-circuit
check sensor F3
Error on sensor F3, wire broken
check sensor F3
Error on sensor F4, short-circuit
check sensor F4
Error on sensor F4, wire broken
check sensor F4
Door open for too long
close door
High-pressure fault
Check: Condenser fan and check for dirt
accumulation
Low-pressure fault
Plant leaking, to little coolant
Internal error in control unit
Repair control unit
Error in parameter memory
Check all parameters
Error in data memory
Repair control unit
Error of internal clock
Set clock again. If error occurs again, the
controller must be repaired
Errors
and
will disable the controller. The controller will only be enabled again once the error has
been repaired. Error
(and
) can only be eliminated by repair. The errors and the current temperature
will be displayed alternately.
