Inspection - Hanseatic WQP12-7311D Technical & Service Manual

E6
Open-circuit failure of
thermistor
Check whether the NTC
circuit is correct or not.
(mentioned in section 4)
E7
Short-circuit failure of
thermistor
Check whether the NTC
circuit is correct or not.
(mentioned in section 4)
E8
Diverter valve fault
Check whether the
Diverter Valve circuit is
correct or not. (mentioned
in section 4)
If the problem has not been solved through all the inspection mentioned above, maybe the
PCB has a malfunction. So, replace PCB and test again.
Caution:
Because the real situation is unpredictable, inspection trees mentioned in this manual are
for reference only.
Not
Reconnect the wire of
Flowmeter circuit and
check again
Still wrong
Not
Reconnect the wire of
Flowmeter circuit and
check again
Still wrong
Not
Reconnect the wire of
Diverter Valve and
check again
Still wrong
E6&E7 tree
OK
solve the problem
Replace the NTC to
solve problem
OK
solve the problem
Replace the NTC to
solve problem
OK
solve the problem
Replace the NTC to
solve problem

Inspection

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