Asko DW95 Handbuch - Seite 14

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FAULT INDICATIONS

L3 and L7 and display "F1" (DW955) is blinking: Heating element fault.

L1-L8 and display "F2" (DW955) is blinking: Overfill.

L4 and L5 and display "F3" (DW955) is blinking: Sensor fault.

L6 and L7 and display "F4" (DW955) is blinking: Water inlet fault.(Just

machines with level sensor).

L1-L4 together with L5-L8: The door is open during machine operation.

CONTROL UNIT

The control unit contains a microprocessor for control of programs,

circulation pump, inlet valves etc.

CIRCULATION PUMP

The circulation pump consists of an asynchronous motor and pump,

constructed in an integrated unit. A 4 µF capacitor is fitted to ensure

reliable starting of the circulation pump.

OUTLET PUMP

The outlet pump consists of a synchronous motor and pump, constructed

in an integrated unit.

INLET VALVE

Depending on model, there are three types of inlet valves:

1. With safety valve: Two solenoids independant from each other or valve

seats are connected to a unit.

2. Single-unit type: A solenoid and valve seat.

3. Softener valve: Two valves in shunt, one for the regeneration of the softe

ner and the other for normal inlet.

Heating elements with the following capacities: 1800 W, 2500 W and 1800

W + 1200 W alternatively.

The thermistor controls the water temperature to give the required tempera-

ture. The heater will be disconnected if the thermistor is short-circuited or

loosened from the circuit board. See fault indications. The normal resistance

of the thermistor is beetween 25 and 15 Kohm at 20°C, or 30°C alternately.

Thermostat with switch-off-function at 88°C, 190°F prevents the heating

element from remaining continously energised if the control unit or the timer

should fail.

DW 953, 954, 955, 95FI