Test
2016-03-02 / DIS 840_58300000176874_ara_en_c
Copyright by BSH Hausgeräte GmbH
Page 37 of 157
Fig. 3:
Position of the components on the power module
1
TH401 = Water switch
11 K303 = Heating (operating relay)
2
TH402 = Actuator valve of water storage
tank
12 F100 = Safety fuse
3
TH403 = Filling valve / Aquastop valve
13 R119 = Varistor with thermal fuse
4
TH405 = Regeneration valve
14 R101 = NTC (intermediate circuit)
5
Switchover relay LP / Zeolite ventilator
15 Terminal strip for add-on module
6
T324 = Drain valve of heat exchanger
16 V700 = BLDC motor control (UP/fan or UP/LP)
7
T325 = Drain valve of heat exchanger,
dispenser
17 V200 = BLDC motor control (UP, optional)
8
T326 = Dispenser
18 Terminal strip for add-on module
9
K302 = Zeolite heating (operating relay)
19 Add-on module with galvanic separation
(optional)
10 K301 = Zeolite heating (safety relay)
1. Perform a
visual
check for any damage to the components on the power
module.
2.
0
If any of the components on the power module are damaged,
1) check the corresponding parts of the appliance and replace any that
are defective.
2)
Replace the power module. (Page 91)
3.
0
If
none
of the components on the power module is damaged,
1)
reassemble the power module. (Page 37)
2) Continue diagnosing the fault.
5.6.3
Reassembling the power module
1. Slide the power module into the upper housing section (1).
2. Push the housing sections together and latch them evenly (2).