Guide to diagnostics of electronic controls EWM10931
2011 SOE/DT-mdm FCPD-dp Quality-tb
15/75
599 73 77-37
Alarm
Description
Possible fault
Machine status/action
Reset
Page
E45
Faulty “Sensing” by door delay
system triac
Main circuit board faulty.
(Safety drain cycle)
Cycle blocked
RESET 37
E52
No signal from motor tachometric
generator
Wiring faulty; Motor faulty;
Inverter board faulty.
Cycle stops with door locked
(after 5 attempts)
ON/OFF
RESET
38/40
E57
Inverter is drawing too much current
(
>15 A)
Wiring faulty on inverter for motor; Inverter PCB faulty; Motor faulty.
Cycle stops with door locked
(after 5 attempts)
ON/OFF
RESET
42
E58
Inverter is drawing too much current
(
>4.5 A)
Motor malfunction (overload); Wiring faulty on inverter faulty; Motor
faulty; Inverter PCB faulty.
Cycle stops with door locked
(after 5 attempts)
ON/OFF
RESET
44
E59
No signal from tachometric
generator for 3 seconds
Wiring faulty on inverter for motor; Inverter PCB faulty; Motor faulty.
Cycle stops with door locked
(after 5 attempts)
ON/OFF
RESET
46
E5A
Overheating on heat dissipator for
Inverter
Overheating caused by continuous operation or ambient conditions
(let appliance cool down); Inverter PCB faulty. NTC open (on the
Inverter PCB).
Cycle stops with door locked
(after 5 attempts)
ON/OFF
RESET
48
E5C
Input voltage is too high
Input voltage is too high (measure the grid voltage); Inverter
PCB faulty.
Cycle stops with door locked
(after 5 attempts)
ON/OFF
RESET
49
E5d
Data transfer error between Inverter
and main PCB
Line interference; Wiring faulty; Faulty main PCB or Inverter PCB.
----------------
ON/OFF
RESET
50
E5E
Communication error between
Inverter and main PCB
Faulty wiring between main PCB and inverter PCB; Inverter PCB
faulty; Main PCB faulty.
Cycle blocked
(after 5 attempts)
ON/OFF
RESET
51
E5F
Inverter PCB fails to start the motor
Wiring faulty; Inverter PCB faulty; Main PCB faulty.
Cycle stops with door open
(after 5 attempts)
ON/OFF
RESET
51
E5H
Input voltage is lower than 175 V
Wiring faulty; Inverter PCB faulty.
Cycle stops with door locked
(after 5 attempts)
ON/OFF
RESET
52
E62
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
RESET 53
E66
Heating element power relay faulty
(inconsistency between sensing and
relay status)
Main PCB faulty.
Safety water fill
Cycle stops with door closed
ON/OFF
RESET
54
E68
Current leak to the ground
Earth leakage between heating element and earth.
The heating phase is skipped
START/RESET
55
E69
Heating element interrupted
Wiring faulty; Heating element for washing interrupted (thermal fuse
open); Main PCB faulty.
----------------
START
ON/OFF
RESET
56
E6A
Heating relay sensing faulty
Main circuit board faulty.
Cycle stops with door locked
RESET
57
E6H
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
ON/OFF
RESET
57
E71
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
START/RESET
58