Electrolux EWX11831 Service Manual page 72

Alarm
Alarm Description
Code
EA1 DSP system failure
EA6 DSP door open failure
EB1 Power supply frequency out
(EH1) of limits
EB2 Power supply voltage too
(EH2) high
EB3
Power supply voltage too low
(EH3)
EBD Heater WD relay
(EHD) sensing alarm
EBE
FCV Relay failure
(EHE)
EC1 Electro valves blocked
Weight sensor
EC2
communication error
EC3 Weight sensor fault
EC8 TY5 triac failure
EC9 TY5 triac sensing failure
Technical Support - DMM
Fault Condition
Wiring or main board defective
Not drum position sensing
DSP sensor failure
during motor activation
Main motor belt broken
Not sufficient number of Wiring or main board defective
tachometer impulses Main motor belt broken
during motor activation Lid open
Power supply period
lower/higher than Wrong or disturbed Power Supply line. Main board defective
configured values
MAIN_V sensing input
voltage value greater than Wrong or disturbed Power Supply line. Main board defective
configured value
MAIN_V sensing input
voltage value lower than Wrong or disturbed Power Supply line. Main board defective
configured value
Wrong input signal to
Main board defective
microprocessor
Incongruence between FCV Relay defective
safeties relay sensing and FCV sensing circuit defective
FCV relay status Wiring or main board defective
Flow meter running with
Electro valves defective/blocked
electro valves switched
Main board defective
OFF
Communication problem Wiring defective
between Weight Sensor defective
Weight sensor and MB MB defective
Weight sensor defective
Signal coming from sensor
Main board defective
out of limits
Wiring
Incongruence between TY5 triac load device defective (motor fan/hot valve/water
TY5 triac sensing and triac softener board)
status Wiring or main board defective
Wrong input signal to
Main board defective
microprocessor
Possible Fault
72/106
Machine Action/Status Reset Key
Skip of the drum positioning START
phase RESET
START
Cycle paused
RESET
Wait for nominal power supply
OFF/ON
conditions
Wait for nominal power supply
OFF/ON
conditions
Wait for nominal power supply
OFF/ON
conditions
Cycle blocked with door
RESET
locked
Safety Drain cycle activation,
stop of the cycle with door RESET
opened
Cycle blocked
Water drain up to anti-boil
level or max. 5 minutes with
RESET
door locked. When O.L.
blocked drain pump ON/OFF
for 5/5 minutes continuously
START
No actions RESET
START
No actions
RESET
Safety Drain cycle activation.
RESET
Cycle blocked
Safety Drain cycle activation.
RESET
Cycle blocked
599 77 23-65 Rev. 03