E52: Drum Motor Start Sensing Error - Electrolux EFME617SIW Service Manual

Troubleshooting Based on Alarm Codes
E52: Drum Motor Start Sensing
E52
Motor overheating, Laundry load too heavy, Low power supply, Motor or Wiring
defective.
Checks to perform:
Check if the power supply is as per the product
specification: (Voltage = 240 V (Electric), 120 V (Gas)
Models and Frequency = 60 Hz)
Is there any overload of laundry in Dryer?
Remove the laundry and check whether the drum
turns freely without posing any resistance. Is there
any resistance to drum rotation? (See Fig .1)
Unplug the connector from the Motor and
measure the resistance between terminals 5 and
4. Is the resistance value between "2.9 Ω to 3.5 Ω"?
(See Fig. 4)
Check if the wiring connection between Electronic
Control Board and Motor is proper. Is the continuity
Replace the Electronic Control Board and repeat the
diagnostic cycle to check for any further alarms.
Y
E
S
N
O
N
O
Y
E
S
there?
Y
E
S
Error
WARNING
Check that all the connectors are correctly
inserted.
Provide required power supply and repeat the
NO
diagnostic cycle to check for any further alarms.
Make the laundry as per the product specification
and repeat the diagnostic cycle to check for any
YES
Check whether the friction is caused by the Motor
(See Fig. 2) or by the tub bearings (See Fig. 3).
Replace the defective component. After clearing
YES
any obstacles wait till the motor becomes cool
because thermal protector may take 30 mins to
reset (thermal protector may be tripped because
of motor overheating). Repeat the diagnostic
cycle to check for any further alarms.
Replace the Motor and repeat the diagnostic
NO
cycle to check for any further alarms.
Replace / Repair the Wiring and repeat the
NO
diagnostic cycle to check for any further alarms.
46
further alarms.
E52