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Fault Diagnostics
VIB. Troubleshooting
Dishwasher troubleshooting
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 error code).
dishwasher shuts down if only one NTC returns a signal (E:12 error code) or if
they show different values (E:11 error code).
Heat pump terminal measurements
There are two connectors, 7-pin and 3-pin.
7-pin connector (heater / NTC's / pump ground)
The 7-pin connector connects to the heat pump heater, NTC's and
ground.
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.
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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Pump
7
6
5
4
3
2
Motor
7 – NTC 1
6 – NTC common
5 – NTC 2
4 – Line (hot)
3 – X1 (heater common)
2 – Neutral
1 – Ground
1
The
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