Diagnostic Test Phases - Electrolux WE170V Service Manual

6.3 Diagnostic test phases

Irrespective of the type of PCB and the configuration of the programme selector, after entering the diagnostic
mode, turn the programme selector dial clockwise to perform the diagnostic cycle for the operation of the
various components and to read any alarms.
Concurrently, a selector control code is shown on the LCD display, which indicates for two seconds the
description in the last column of the table below.
(all alarms are enabled in the diagnostic cycle).
Selector
Components activated
position
- The LEDs, groups of symbols
in the LCD screen and the
backlight of the display are
turned on in sequence
- Press a button/sensor to turn
1
on the group of icons in the
LCD screen or the
corresponding LED and the
buzzer sounds at the same
time
- Door safety interlock
2
- Wash solenoid
- Door safety interlock
3
- Pre-wash solenoid
- Door safety interlock
- Solenoid valve
4
pre-wash and wash
- Door safety interlock
5
- Third solenoid valve
- Door safety interlock
- Fourth solenoid valve (hot
6
water where featured)
- Door safety interlock
- Wash solenoid, if the water in
the tub is not enough to cover
7
the heating element
- Heating element
- Door safety interlock
- Wash solenoid, if the water in
the tub is not enough to cover
8 the heating element
- Motor (55 rpm clockwise,
55 rpm anti-clockwise,
250 rpm pulse)
Working conditions Function tested
User interface
Always active.
functions.
Door closed.
Water level below
Water fill to wash
anti-flooding level.
compartment.
Maximum time
5 mins.
Door closed.
Water level below Water fill to pre-
anti-flooding level. wash
Maximum time compartment
5 mins.
Door closed.
Water level below Water fill to
anti-flooding level. conditioner
Maximum time compartment.
5 mins.
Door closed.
Water level below Water fill to third
anti-flooding level. solenoid valve
Maximum time compartment.
5 mins.
Door closed.
Water fill to
Water level below
fourth solenoid
anti-flooding level.
valve
Maximum time
compartment.
5 mins.
Door closed.
Water level above the
heating element. Heating.
Maximum time Circulation.
10 mins up to 90 °C.
(*)
Door closed.
Check for leaks
Water level above the
from the tub.
heating element.
19
LCD display
Water level in
the tub (mm)
Water level in
the tub (mm)
Water level in
the tub (mm)
Water level in
the tub is
displayed (mm)
Water level in
the tub is
displayed (mm)
Temperature in
°C measured
using the NTC
probe
Drum speed in
rpm/10