Fault Code F79: Circulation Pump Interaction Fault; Fault Code F84: Slide Shutter Positioning Fault - Miele G 1 Series Technical Information

G 1xxx/G 2xxx
Remedy:
Replace the circulation pump. See Section 050-4.13.
3.38

Fault Code F79: Circulation Pump Interaction Fault

Symptom:
The program is interrupted and the drain pump is operated.
See Table 080-3 for other model-specific fault indications.
Cause:
Faulty interaction between the frequency converter electronic of the
circulation pump and the electronic (SLT).
Remedy:
1. Check for supply voltage.
a. Measure the voltage at the electronic (SLT) output and input.
b. Measure the voltage at the wiring harness.
c. Measure the voltage at the circulation pump.
2. Carry out appropriate remedial action (replacement of the electronic,
wiring harness or circulation pump).
Cause:
Frequency converter electronic defective.
Remedy:
Replace the circulation pump. See Section 050-4.13.
Cause:
Control electronic (SLT) defective.
Remedy:
Replace the control electronic. See Section 100-4.5 or 100-4.6.
3.39

Fault Code F84: Slide Shutter Positioning Fault

Symptom:
The program is interrupted and the drain pump is operated.
See Table 080-3 for other model-specific fault indications.
Cause:
Position switch defective.
Remedy:
Replace the circulation pump. See Section 050-4.13.
Cause:
Drive (synchronous motor) defective.
Remedy:
Replace the circulation pump. See Section 050-4.13.
Cause:
Slide shutter mechanism defective.
Remedy:
Replace the circulation pump. See Section 050-4.13.
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Technical Information