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Service
Manual
12. Troubleshooting
12
8
438 9152-31/0
6
0
5
.0
3
4. Disassemble the contactor X172 on the transformer
T10. Verify that the voltage supplies from T10 are as
shown in the table below. Measure on card terminal
X172.
X172:5 - 6
approx. 1.75 V
X172:6 - 7
approx. 1.75 V
X172:3 - 4
approx. 14.5 V
X172:1 - 2
approx. 13.5 V
One of the voltages is incorrect All voltages are correct
Troubleshoot the cabling
between the transformer and
programme unit.
5. Verify the voltage supply to T10. Measure on
contactor X178 (230 V).
Voltage OK
Voltage incorrect
Troubleshoot the cabling for
the voltage supply (between
the main power switch Q1
and X178).
6. Check for correct placement of the short-circuit pin
Short-circuit pin OK Short-circuit pin incorrectly set
T1 probably
Change the position of
defective
the short-circuit pin
Continued from previous page
8
Fig.
8
5199
X178
X172
1.75 V 1.75 V
14.5 V
13.5 V
1
2
3
4
5
6
7
240
230
208
120
Fig.
8
Voltage supply
Short-circuit pin for
voltage supply
Summary of Contents for W3105H
Page 1: ...Service Manual W365H W375H W3105H W3130H W3180H W3240H W3300H Exacta 438 9201 81 EN 06 42 ...
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Page 23: ...11 Regular maintenance 438 9145 01 01 00 23 Contents Daily 3 Every third month 3 ...
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Page 149: ...39 Detergent compartment 438 9146 21 01 00 23 Contents Description 3 ...
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Page 165: ...43 Frame 438 9146 61 01 00 23 Contents Description 3 ...
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