Miele PT 7135 C Service Manual download pdf (Page 73)

Service function Component / Sensor tested

Component activation

Component activation Function tested/Machine response

All components Inactive

Drive/Fan motor (M5) Drum turns with reversing as follows: 10 s anticlockwise,

2.5 s pause, 10 s clockwise, 2.5 s pause, etc.

Heating 1 and drive/fan motor

(M5)

The heating relay 1K1/1 is activated and the drum turns

with reversing as follows: 600 s anticlockwise, 2.5 s pause,

10 s clockwise, 2.5 s pause

Condensate pump (M13)

(condenser dryer only)

Condensate pump activated

Residual moisture sensor (B3/1)

circuit, low resistance check

Provide an electrical

bridge between the drum

and a rib

In case of fault: Check the

residual moisture sensor circuit.

Residual moisture sensor (B3/1)

circuit, high resistance check

Without electrical bridge

between the drum and a

rib

In case of fault: Check the

residual moisture sensor circuit.

Heating 1 and 2, and drive/fan

motor (M5)

The heating relays 1K1/1 and 2K1/1 are activated, and the

drum turns with reversing as follows: 600 s anticlockwise,

2.5 s pause, 10 s clockwise, 2.5 s pause

Heating 1, 2 and 3, and drive/fan

motor (M5)

The heating relays 1K1/1, 2K1/1 and 3K1/1 are activated,

and the drum turns with reversing as follows: 600 s

anticlockwise, 2.5 s pause, 10 s clockwise, 2.5 s pause

Payment system socket (X1/1),

programme end signal

Mains voltage applied between pin 7 and pin 3

Payment system socket (X1/1),

ready signal

Mains voltage applied between pin 1 and pin 3

Additional fan (2M2). Vented

dryer only, for external fan.

Live (phase) and neutral conductors are switched on

Sensor test

Sensors State

All sensors Inactive

Float switch - Condensate (B8/7) No water in condenser box => Float switch not activated =>

Switch open => Buzzer off

Water in condenser box => Float switch activated =>

Switch closed => Buzzer on

Door lock (A2) Door closed => Switch closed => Buzzer on

Door open => Switch open => Buzzer off

Payment system contact,

payment system socket (X1/1)

Connection wire bridge fitted between 1W14 pin 1/2

Connection wire bridge not fitted between 1W14 pin 1/2

Finger protection safety switch

(S32) (fluff filter flap, vented

dryer only)

Flap closed => Switch closed => Buzzer on

Flap open => Switch open => Buzzer off

Operating hours

counter display

Power-programme module (ELP) Operating hours display. Time from start of programme,

without delay start, until the start of the anti-crease phase.

Controls Display / LED test All display points flash at the same time

Display background light

(backlight)

The backlight flashes on and off

Buzzer Audible signal –

Condenser dryer:

Intermittent

Audible signal – Vented

dryer:

Continuous

Buttons Display indication for activated buttons

Table 8: Service mode summary

If several faults are registered, their codes are shown one after the other in ascending order when the Start button is

pressed.

Fault code deletion: Press the Start button for longer than 5 s during the fault code display (all stored fault codes are

deleted).

Descriptive Technical Documentation

DTD no. 521-7135 080-37

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Miele PT 7135 C Service Manual Page 73

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