Technical Support - MDM 63/97 599 76 11-68 Rev. 01
Check whether the door is closed properly;
Wiring faulty; Door safety interlock faulty;
Main circuit board faulty.
Wiring faulty; Door safety interlock faulty;
Electrical current leak between heating element and ground;
Main PCB faulty.
Faulty TRIAC supplying power to
door delay system
Wiring faulty; Door safety interlock faulty;
Main circuit board faulty.
(Safety drain cycle)
Cycle blocked
Faulty sensing by door delay system
Main circuit board faulty.
(Safety drain cycle)
Cycle blocked
Faulty sensing by door delay system
TRIAC
Main circuit board faulty.
(Safety drain cycle)
Cycle blocked
Motor power TRIAC short-circuited
Current leakage from motor or from wiring; Main PCB faulty.
Cycle stops with door open
(after 5 attempts)
No signal from motor tachometric
generator
Wiring faulty; Motor faulty;
Main circuit board faulty.
Cycle stops with door locked
(after 5 attempts)
Faulty sensing by motor TRIAC
Main circuit board faulty.
Motor relay contacts sticking
Current leakage from motor or from wiring; Main PCB faulty.
Cycle blocked
(after 5 attempts)
Insufficient heating during washing
Wiring faulty; NTC probe for wash cycle faulty; Heating element
faulty; Main PCB faulty.
The heating phase is skipped
Overheating during washing
(temperature higher than 88°C
for more than 5 min.)
Wiring faulty; NTC probe for wash cycle faulty; Heating element
faulty; Main PCB faulty.
Safety drain cycle
Cycle stops with door open
Heating element power relay faulty
(inconsistency between sensing
and relay status)
Safety water fill
Cycle stops with door closed
Earth leakage between heating element and earth.
The heating phase is skipped
Heating element interrupted
Wiring faulty; Heating element for washing interrupted
(thermal fuse open); Main circuit board faulty.
Heating relay sensing faulty
Main circuit board faulty.
Cycle stops with door locked
Heating element power relay faulty
(inconsistency between sensing
and relay status)
Wiring faulty; Earth leakage between heating element and earth;
Main PCB faulty.
Safety water fill
Cycle stops with door closed
NTC probe for wash cycle faulty
(short-circuited or open)
Wiring faulty; NTC probe for wash cycle faulty;
Main circuit board faulty.
The heating phase is skipped
Output drying NTC failure
Output drying NTC defective; Wiring or WD board defective
Drying heating phases skipped
Input drying NTC defective; Wiring or WD board defective
Drying heating phases skipped