Fault Code - Definitions (W1966 & W1986 Only) - Miele W1903 User Manual

Technical Information
6.3.1 Fault Code – Definitions (W1966 & W1986 Only)
F1: Water Level Switch Fault
Check the hose to the to the Level Switch
Clean / Check the Air Trap
Check the Control and Power Modules (pressure sensor option) in the
Service Mode.
F2: The NTC Temperature Sensor Circuit Contains an Open or Short
Circuit.
Check the NTC Temperature Sensor for an open or short circuit.
Check the NTC Temperature Sensor wiring and connections for an
open or short circuit.
Check the NTC Temperature Sensor Resistance – Refer to Section
4.6.
F3: Heating Failure
Check the heating control and power circuits for proper operation.
Check Heater Relay(s) for proper operation.
Check Heater Element(s).
Check the Electronics.
F4: The Drum and Drives are Not Moving (as determined by the
Tachogenerator).
Check drum and drives for free movement and operation.
Check the Tachogenerator circuit.
Check the Main Motor for proper operation
F5: Oversuds Condition
Excess foam is registered in the main wash or when rinsing as follows...
Check for Improper type or amount of detergent being used.
During Cottons Programs:
- Level 140 mm wc is detected in the main wash.
- An additional rinse cycle is activated due to excess foam.
- During the rinse spin after the main wash or the first rinse cycle,
the spin speed is reduced due to the presence of an excess
water-foam mixture.
During Minimum Iron Programs:
- Level 140 mm wc is detected in the main wash. The
Oversudsing LED continues to flash until the Program Selector
Switch is turned to Finish.
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W1900 Series Clothes Washers