Fault Code F91: Load Size Registration Inactive; Service; Customer Programming - Miele G 1 Series Technical Information

Technical Information
Remedy:
Check for foreign objects in the measurement path. Remove blockage or
replace feed pipe (Section 050-4.7) if necessary.
Cause:
Turbidity sensor connection wires open-circuited.
Remedy:
Check connections to electronic board and turbidity sensor B3/10 and
perform a continuity check.
3.44

Fault Code F91: Load Size Registration Inactive

Symptom:
If this fault is registered, the program is not interrupted. The fault will only be
indicated when the fault code memory is checked in the service mode.
Background information: If this fault is registered, the water intake block
will operate by taking in the default water quantity. In the subsequent
additional fill, the quantity of which will normally depend on the size of the
load, the water intake block is replaced by a water intake block with fixed
water quantity.
Cause:
Speed sensor defective.
Remedy:
Replace the speed sensor. See Section 050-4.21.
Cause:
Water has collected in tipped-over dishes (e.g., large bowls). Subsequent
water fill is not successful.
Remedy:
Place dishes in the machine with care.
4

Service

4.1

Customer Programming

The customer programming mode includes certain parts of the service
programming mode. All programming options can be carried out in service
programming mode (see Section 080-4.2).
Close the appliance door and switch off the power before accessing customer
programming mode.
To save settings, switch off the appliance after making changes.
Note:
Customer programming mode is not available on Excella or LaPerla
machines; instead, these machines feature a Settings menu. Refer to the
appropriate operating instructions.
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G 1xxx/G 2xxx