No Access To Diagnostics Programme; No Leds On The Display Board Light - Electrolux TC2 Service Manual

11 NO ACCESS TO DIAGNOSTICS PROGRAMME

11.1 No LEDs on the display board light

Power cable and connection OK?
I Does the suppressor (incorporated in the main
terminal block) function correctly?
Remove the connector from the main terminal
block and connector J8 of the electronic board.
Measure the continuity of the wiring across
terminals and L. Is the circuit closed?
YES
Measure the continuity of the
wiring across terminals and N.
Is the circuit closed?
SI
Does the programme selector function correctly
mechanically?
YES
Does the wiring that connect the electronic board
with the control/display board function correctly?
(insert and remove the connector)
YES
Appliance functions correctly
SOI/ADL
YES
YES
Remove the connector from
the heater unit and measure
the closure of the thermostat.
NO
Is the circuit across terminals 3
- 5 of the heater unit closed?
Replace/repair the wiring and
perform the diagnostics cycle
37/57
NO
Replace or repair the power cable and
perform the diagnostics programme
NO
Replace the terminal block + suppressor and
perform the diagnostics programme
NO
Replace or repair the wiring and perform the
diagnostics programme
NO
SI
NO
Replace/repair the knob or spindle
NO Replace main board and perform the
diagnostics cycle. Does the appliance
function correctly?
Identify the cause of the
interruption in the operation
of the fan causing the
thermostat to intervene,
and eliminate the cause.
Replace the heater unit and
perform the diagnostics
cycle
599 38 46-21