Troubleshooting - Fagor FI – 48 W Service Manual

7 TROUBLESHOOTING

First be sure that the "INSTALLATION CHECKLIST" in this manual was completed and check out
that all the conditions still remains in effect. For support or further service information contact Fagor
Service Department toll free at 1-866-GO-FAGOR (46-32467). The diagnosing, testing and repair of
any electrical, mechanical device is to be performed solely by trained service technicians.
SYMPTOM
Dishwasher will NOT
FILL after the door is
closed. Power "ON"
light (L1) is not
illuminated
.
Dishwasher will NOT
FILL after the door is
closed. Power "ON"
light (L1) is illuminated.
Dishwasher will NOT
RUN after the door is
closed. Power "ON"
light (L1) is illuminated
and the unit has
completed the filling and
heating cycle.
Dishwasher RUNS
continuously in the wash
cycle or not rinsing.
(Continue next page)
POSSIBLE CAUSE
Service breaker tripped
Machine not connected to
power source.
Faulty selector switch (Ig)
No water to machine
Machine not level
Overflow tube not attached
or broken / missing O-ring.
Faulty door switch
Faulty fill pressure switch
(P1)
Faulty fill valve (V)
Fill pressure switch's pipe
clogged
Faulty fill pressure switch
(P1)
Start button (St) faulty
Faulty Timer (M)
Faulty wash pump (MBL)
Selector switch faulty (IG)
Rinsing temperature gauge
is lower than 195ºF.
Reset. If the breaker trips again, contact an
electrician to verify amps or possible short.
Verify the unit is connected to a hot (live)
feed. Verify voltage and proper phasing.
Verify the wiring of the switch; if correct,
replace the switch. (Position 4-4a / 8-8a)
Verify hose is not blocked or kinked, water
valve is open and pressure > 20 PSI.
Level machine. Legs are height adjustable.
Check condition of overflow tube.
Verify the wiring of the switch; if correct,
replace the switch (Ip) or the door relay (Rp)
Verify position change 1-2 / 1-3 to pressure
switch. Possibly stuck .
Verify the wiring and voltage received; if
correct replace fill valve.
Drain the unit, fill again, even manually and
run a cycle
Verify it changes position of the switch; If
not replace it.
Verify start button is operating properly. If
not replace it.
Verify the timer is rotating (M1, M2 & M3).
If not, check to see that the motor is
receiving power. If so, replace the timer
assembly. Ohm out timer motor leads.
Verify that the wash pump is getting power.
If so, replace the pump. Ohm out windings.
Verify voltage at (1,2 to1a) at selector
switch
Wait until sanitized rinsing temperature is
reached (195ºF). Check out your incoming
water temperature.
17
ACTION