Indesit Ariston AQUALTIS 1600 Service Manual - Page 23
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FAULT
Wash heater relay welded
(signalled in presence of
"empty") or pressure switch
F08
fixed on "empty" (empty and
full simultaneously).
Fault
F09
(EEPROM
grammed or not working)
No signal of simultaneous
F10
"full" and "empty"
No pump feedback (drain
pump disconnected or
F11
winding interrupted).
No communication be-
F12
tween display board and
control board
Faulty communication between
F18
Microprocessor and DSP (Dig-
ital Signal Processor).
Service Manual
Aqualtis - 2005
CAUSE
- Check the efficiency of the contacts of J3 connector on the board;
- Check the state of the pressure switch verifying ohm-continuity on
J3 wiring connector, pins 2 and 4 (only with empty tank), pins 2 and
3 (only with water in the tank) and pin 2 and 1 (only with water in the
tank over half door glass level);
- Ambient with a high rate of humidity;
- In case of board with EEPROM welded on it, replace board and
of
setup
file
EEPROM;
not
pro-
- In case of spare EEPROM, check the correct fitting of the EEPROM
in the socket of the board.
- Check the efficiency of contact on J3connector on the board;
- Check the state of the pressure switch, verifying the ohm-continuity
on the wiring connector J3 pins 2 and 4 (it must be present with
empty tank only) and pins 2 and 1 (it must be present with water in
tank over half door glass level);
- Check the wiring of J3-connector/pressure switch;
- Replace pressure switch;
- Replace board.
- Check the efficiency of the contacts of J9-connector on the board;
- Verify on J15 connector, pins 1 and 2 (in case of wm with Easy Door
door lock) or on J9 connector, pins 8 and 9 (in case of general door
lock) the continuity of the pump, checking the resistance value 170
- Check the wiring of the J15 connector (or J9)/pump;
- Replace pump;
- Replace board.
- Check efficiency of contacts of the J11 connector on the board;
- Check the continuity of J11-connector/5-output connector of the dis-
play board;
- Replace main board;
- Replace board display
CHECK-UP
;
Edition
2005.07.06
G
Language
English
B
23