Service manual TD25
10
Troubleshooting
Fault indications
The following faults are indicated by a flashing red light in the start/stop button LEDs and as a trouble code
on the display (display not available on all machine versions).
Fault indication Cause Action
Display LEDs
(flashing)
Meaning
Overfilling
The machine stops.
(applies to condenser
dryers)
The condensation water tank
is full.
Check if the customer has:
• Emptied the tank and
restarted the machine
Condensing waterpump or
hoses blocked.
• Clean hoses and check
voltage and resistance in
the drain pump.
Float/float switch is defective. • Check that the float has
not got “stuck” and check
the function of the micro-
switch.
The control unit is faulty (the
pump does not start).
• Replace control unit.
Maximum permitted pro-
gramme time
The machine stops after 3
hours.
The washing has been spun
at too low a speed, i.e. less
than 800 rpm.
Check if the customer has:
• Tried spinning at a higher
speed
The control unit did not have
chance to reset, but added
the time to the next drying
cycle.
Check if the customer has:
• Has the machine switched
off for 30 minutes before
restarting
High ambient temperature
combined with low element
output and low drying tempe-
rature leads to condensation
formation.
Check if the customer has:
• Attempted to select an-
other programme
• Good ventilation in the
room
Poor condensation due to
blocked external air
• Ensure that the external air
has free passage.
Defective thermistor. • Replace the thermistor.
Defective control unit • Replace control unit.
(no indication in
LEDs)
Thermistor fault
The machine stops.
The front thermistor is de-
fective or the control is not in
contact with it.
• Replace the thermistor.
After carrying out corrective actions as above, reset the fault indications by switching off the machine using
the main power switch.