Page 2
SERVICE TEST
WSF67251S, WSF67381S & WSU67381S
NOTE: Only the Service Technician can execute this procedure.
Accessing Service Test:
Press and hold the Start/Pause button with the Dishwasher turned OFF.
Power the machine ON while continuing to hold Start/Pause button in for at least six
seconds (6)
The Service Test starts automatically displaying “SP 01”.
Release the Start/Pause button.
All LED’s blink for approximately 2 seconds (LED test).
If a failure code has occurred, it is stored within the PCB’s memory and displayed in the
first 6 seconds of the Service test. Up to 3 codes are stored in mem
ory. Failure codes would
have a prefix number of 1, 2, and 3 with 1 being the latest code and so on.
If an error occurs during the Service Test, the error code displays at its completion.
* During the Service Test an unsuccessful heating failure test (F8) works with reduced time to
diagnose (first measurement at 2min20sec and the second measurement at 4min20sec)
NOTE:
a. If you open the door during a Service Test, the Start/Pause led blinks and “SP” displays
on the LED panel.
b. If you press the Start/Pause button during a Service Test, the first wash program starts.
Step Displayed Time Tested Load
0
Las
t 3 Fault Codes
6 sec
Up to 3 codes are displayed during
this time
SP01
Drain 6 sec Drain pump.
SP02
Fill ~1 min Flow meter; Inlet Valve;
SP03
Fill+ Wash Flow meter; Inlet Valve; Pressure Switch;
SP04
Turbidity Sensor* 30 sec
Measurement sensor of water turbidity
(*if fitted)
SP05
Wash 1 min
Circulation pump; Regeneration Valve;
Detergent Dispenser.
SP06
Wash+ Heat* 5 min Heater (PSW); NTC; Diverter (position).
SP0
7 /
SP0
8
Regeneration Valve* /
Turbo Fan
1 min
*Regeneration Valve (N/A) + Turbo Fan
(Turbo Fan only WSF & WSU67381S)
9
Drain 20 sec Drain pump; Pressure Switch.
10
End - Code Error or End LED