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Error code and Possible causes WMT180

If there is a fault on the machine it will be indicated by a series of flashes of the Mains On Door lock LED
The mains programme dial will also rotate clockwise continuously.
The fault must be cleared before the Functional test for the machine to run correctly.
Refer to the Error Code Chart below for possible fault causes.

Flashes
Fault
Possible causes
1
Short circuit motor triac
Check connections on motor, motor plug and module
2
Motor jammed or tacho detached
Check connections on motor, motor plug and module.
3
Wash NTC (rear) short or open circuit( machine may fill and empty continuously)
Check connections on NTC and module.
4
Pressure switch jammed on empty.
Check pressure switch, switch wiring and module.
5
Pressure switch jammed on full or pump blocked
Check pump for blockages
6
Programme selector management error
Check selector and module connections.
7
Heater relay stuck
Check connections on heater and module.
8
Heater relay cannot be activated
Check pressure switch, connections on heater and module.
9
Incompatible EEPROM
Faulty or incorrect EEPROM fitted.
10
Pressure switch not sensing correctly.
Check connections from pressure switch to module.
11
Pump cannot be activated
Check pump connections and wiring

Fault finding without error codes


1. If the motor is open circuit the machine will not fill or operate
2. If the drum block micro switch has failed the machine will fill to a level and stop