Diagnosing Failure 307
3. Check if the fault is persis-
tent.
If the fault is persistent, con-
tact the manufacturer.
Table 91
Failure 309: OLT-Error (STALL PREVENTION)
Diagnosing Failure 309
The output frequency has dropped to minimum because of cur-
rent limitation.
1. Check if the power supply is
sufficient high and stable dur-
ing extraction with load.
Repair the power supply.
2. Check if the drum rotates
normally by hand. No abnor-
mal high friction.
Repair / clean what is necessa-
ry.
3. Check if the motor windings
are OK.
Replace the motor.
Table 92
Failure 313-315: OPT/PUE-Error (OPTION FAULT/
PARAMETER UNIT LEAVE OUT)
The OPT/PUE-ERROR can happen occasionally by a very short
general mains power supply interruption. Due to the power inter-
ruption, the inverter was not able to reset itself correctly. In such
case the contactor must not be replaced. The Inverter must be re-
set by a longer power interruption.
Diagnosing Failure 313-315
If the inverter doesn't receive requests from the wash computer
(no serial communication), after about 10-30 seconds the inver-
ter will go into OPT/PUE-alarm state.
1. Check at the end of the
wash cycle, if the power sup-
ply contactor of the frequency
inverter switches is switched
off on all phases.
Replace the contactor if the
problem is persistent.
Table 93
Failure 335: FIN-Error (COOLING FIN INVERTER
OVERHEAT)
Diagnosing Failure 335
If the heatsink temperature of the inverter crosses it's max al-
lowed operation temperature, the inverter will go into FIN-
alarm state.
1. Check if the cooling fan of
the inverter (if present) rotates
normally.
Replace the cooling fan on the
inverter (on the heatsink of the
inverter).
2. Check if the cooling fan in
the washer that takes fresh air
to the inverter’s environment
(if present) rotates normally.
Replace the cooling fan of the
washer.
3. Check if the heatsink or the
cooling fans are not clogged
with dust/dirt so that fresh air
can circulate freely.
Clean what is necessary.
4. Check if the ambient tem-
perature of the washer is with-
in the specified limits. Refer to
Installation/Operation/Mainte-
nance Manual.
Take care that the ambient
temperature is within the
specified limits.
Table 94
Failure 500-526: Memory Errors
If a memory error occurs then something is going wrong with the
EEPROM.
Try to reload the washing Programs. Check for source of electri-
cal "noise".
Failure 560: USB Not Found
The error message is displayed when an attempt to read from or
write on a USB flash disk fails.
Failure 561: File Not Found
The error message is displayed when the respective file is not
found during an attempt to read from a USB flash disk.
Failure 562: Export Failed
The error message is displayed when an attempt to write onto a
USB flash disk fails.
Failure 563: Import Failed
The error message is displayed when an attempt to read from a
USB flash disk fails.
Failure 570-571: Card Reader Error
Problem with card reader payment system.
Troubleshooting
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