Technical Information
144
G 5xxx
Remedy:
Check the connection wires for continuity.
Cause:
Drive (synchronous motor) defective.
Remedy:
Replace the circulation pump. See Section 050-4.13.
Cause:
Slide shutter gearing defective.
Remedy:
1. Check to see if water is alternating between the upper/lower spray arms
and the middle spray arm. This can be done by removing the side panels,
selecting a wash program and observing the water flow between the
upper spray arm and middle spray arm water paths. If the water flow is
alternating, go to Step 2a below. If not, go to Step 2b.
2. Check position switch B3/12 at connection ST14 (using a multimeter) for
low DC pulses at 30-second intervals.
a. If pulses are present, the electronic needs to be replaced. See
Section 100-4.5 or 100-4.6.
b. If pulses are not present, first check wire connections for an open or
short circuit. Replace the circulation pump, if necessary. See Section
050-4.13.
3.30 Fault Code F67: Circulation Pump Speed Too Low
Symptom:
If this fault is registered, the program is not interrupted. The fault will only be
indicated when the fault memory is checked in service mode.
Background information: The check is carried out 10 seconds after the
circulation pump has started.
Cause:
Circulation pump stiff and not turning freely.
Remedy:
Remove and clean the circulation pump (Section 050-4.13) and remove any
foreign objects that may be present.
Cause:
Circulation pump capacitor defective.
Remedy:
Check the circulation pump capacitor and replace it, if necessary; see Section
050-4.15.
3.31 Fault Code F68: Circulation Pump Operating After Shutoff
Symptom:
The program is interrupted and the drain pump is operated.
Background information: The frequency converter of the pump registers a
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