Fault Code F70: Float Switch Fault - Miele G 1 Series Technical Information

G 1xxx/G 2xxx
checked. For this, the heater relay must have been activated and both
electronic's inputs must be potential-free.
Cause:
Heater pressure switch defective.
Remedy:
Replace the heater pressure switch. See Section 050-4.20.
Cause:
Heater relay defective.
Remedy:
Replace the heater relay.
Cause:
Circulation pressure too low because circulation pump is blocked by foreign
objects.
Remedy:
Clean the circulation pump and remove any foreign objects that may be
present.
3.36

Fault Code F70: Float Switch Fault

Symptom:
After the float switch has switched, the program is interrupted and the drain
pump is operated.
See Table 080-3 for other model-specific fault indications.
Note:
The drain pump continues to operate even after the machine has been
switched off. The drain pump can only be deactivated by disconnecting the
power supply connection.
Cause:
Water in the drip pan. Changeover contact of overflow float switch B8/3
closed from 1 to 4 (refer to the wiring diagram).
Remedy:
1. Remove the water from the drip pan (e.g., with an absorbent cloth).
Note:
Upon opening the appliance and removing all water, there should be no
smudges, smears or traces of deposits. Take pictures of any deposits, if
possible, and note their type (rust, calcium, detergent, or salt).
2. Check all hoses, connections and threaded unions for leaks.
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Technical Information