Fisher & Paykel AQUASMART WL37T26CW2 Service Manual page 56

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250. (11111010) SmartPump Loss of Sync.
This fault is normally as a result of the pump not starting and is usually caused by an object
that has got into the pump, and is either under or on top of the impeller, which is causing
the motor to stall when trying to start.
Primary Source:
Action:
Secondary Source: Pump System.
Action:
Tertiary Source:
Action:
252. (11111100) Bridge Test Failure
The Motor Control Module has tested the motor bridge electronics and sensed current
when there should not have been any.
Primary Fault:
Action:
254 (11111110) Motor Control Version to Old
The Motor Control Module software version is to old for the display to support.
Primary Fault:
Action:
Pump stator winding open circuit.
Check the resistance of the pump stator. Resistance per Phase:
8.1Ω +/- 10% (16.2Ω +/- 10% across any two phases.
1. Check that the drain hose has not been kinked.
2. Check the length of the drain hose. A 1 metre extension hose of
the same diameter fitted to the existing drain hose is the
maximum allowable length.
3. Check that the machine is not pumping to a head that exceeds the
pump's limits (2.4 meters is maximum head height).
4. Remove the inner bowl and check that the pump hood hasn't been
fitted around the wrong way.
5. Check for lint streaming from the pump hood that may be blocking
the cap inlet.
6. Remove the pump hood and cap. Check for lint, grit and debris.
7. Check for free movement of the flapper and that the impeller hasn't
come off the rotor.
8. Check for free movement of the flapper (replace if broken).
9. Check for lint and foreign objects in the ports of the pump housing.
Motor Control Module.
Replace Motor Control Module.
Motor Control Module
Replace Motor Control Module
Motor Control Module
Replace Motor Control Module
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