Controller - Siemens FX-C Repair Instructions

7.4

Controller

Fault details
Running times
Module is not functioning
The appliance is delayed or disconnected
209_58300000115677_ara_en_f.doc – 26.03.08
Cause
Adjust the control to the influencing variables
for the wash cycle.
Partial load detection
Heating defect. The NTC doesn't reach the
selected temperature in 105 minutes , and go to
the next step.
Pumping defect. The pressure switch doesn't
reach level < N1 in 56 minutes, and go to the
next step.
Electrical component has a short-circuit or earth
fault
Frequency variations
Remedial action
Advise customer, see circuit diagrams
Advice customer.
Partial load detection.
(Water supply times <60-70 seg it
depends on the programs) cause of the
low load or the low inlet pressure. If the
time is longer, it detects full load. The
programs time depends on the load (see
time diagrams)
Do the test program and test the heating
Do the test program and test the pumping
Remove the component from the module;
if the module functions, replace the
removed component only.
Advice customer. It is necessary to have
an stable frecuency, in other case, the
appliance can show jumps of time or be
disconnected.
Seite 32 von 34