Bosch Ascenta SHX3AM02UC Onarım Talimatı - Sayfa 26

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6.3

Troubleshooting

6.3.1

Protection of heater if there's no water

Two NTC's protect the heater. Both NTC's are checked by the

control – if they overheat, the control shuts down the dishwasher

(E:08 fault code). The dishwasher shuts down if only one NTC

returns a signal (E:12 fault code) or if they show different values

(E:11 fault code).

6.3.2

Heat pump terminal measurements

There are two connectors, 7-pin and 3-pin.

6.3.2.1 7-pin connector (heater / NTC's / pump ground)

The 7-pin connector connects to the heat pump heater, NTC's

and ground.

Pump

Motor

6.3.2.2 3-pin connector (3-pole BLDC motor)

The 3-pin connector connects to the 3-pole BLDC motor. The

power control module controls motor speed, starting and

stopping.

702_58300000130262_ara_en_b

7 – NTC 1

6 – NTC common

5 – NTC 2

4 – Line (hot)

3 – X1 (heater common)

2 – Neutral

1 – Ground

6.3.3

Drain pump

There is a single 3-pin connector, connecting to the 3-pole BLDC

pump motor.

Resistances as follows:

1 – 2: 89.6 Ω (@ 68 ºF)

2 – 3: 89.6 Ω (@ 68 ºF)

3 – 1: 89.6 Ω (@ 68 ºF)

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