E51: Drum Motor Relay
E51
Motor Relay stuck open or closed, Wiring defective.
Checks to perform:
Measure resistance between the connectors J3-1
and J3-2 terminals of the Electronic Control Board
(See Fig. 1). Is the resistance value not "0"?
Unplug the connector from the Motor and measure
the resistance between terminals 5 and 4 of Motor. Is
the resistance value between "2.9 Ω to 3.5 Ω"? (See
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.
Troubleshooting Based on Alarm Codes
Error
Y
E
S
Fig. 2)
Y
E
S
there?
Y
E
S
WARNING
Check that all the connectors are correctly
inserted.
Replace the Electronic Control Board and repeat
the diagnostic cycle to check for any further
NO
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.
45
E51
alarms.