Diagnosing Failure 15
2. Check if the correct water
inlet valves are Functional.
If the cold water inlet valves
are not functional or if the
main cold water supply is not
available (and only hot water
inlet valves are open), and if
the hot water supply has a
temperature value above the
programmed wash sequence
value then the temperature of
the wash bath will be too
high.
Refer to Failure 11: Fill Fail-
ure
3. Check the water tempera-
ture.
If the temperature of the sup-
plied hot water is too high: de-
crease the temperature of the
hot water.
4. Check if the temperature
sensor is functioning.
If the temperature sensor is de-
fective: replace the tempera-
ture sensor.
5. Check if the heating contac-
tor stays closed. (check volt-
age to contactor coil.)
If the heating contactor stays
closed : Replace the heating
contactor.
6. Check the output relay that
powers the heating contactor.
If the relay stays closed and
the relay is broken, replace the
power board.
7. Check the output relay that
powers the heating contactor.
If the relay is not broken, but
receives a not allowed signal
from the wash computer, re-
place the wash computer.
Table 72
Failure 16: Coin Blocking 1
When the input for coin drop 1 is blocked for more then 5 sec-
onds: message 16 will be displayed.
Case Payment mode = ON.
Fault 16 will be displayed if the external start release signal is
high for more then 10 seconds when the door has been opened at
the end of the program.
Diagnosing Failure 16
1. Check correct functioning
of coin drop 1.
If the coin drop micro contact
or optocoupler is not function-
ing 100% : replace the coin
drop.
Table 73 continues...
Diagnosing Failure 16
2. Check the continuity of the
wiring.
If the wiring is not continu-
ous : repair the wiring.
Table 73
Failure 17: Coin Blocking 2
When the input for coin drop 2 is blocked for more then 5 sec-
onds: message 17 will be displayed.
Diagnosing Failure 17
1. Check correct functioning
of coin drop 2.
If the coin drop micro contact
or optocoupler is not function-
ing 100%: replace the coin
drop.
2. Check the continuity of the
wiring.
If the wiring is not continuous:
repair the wiring.
Table 74
Failure 18: Door Lock Pre-test Before Start
Vend Machines Only
Door lock system is checked before customer is requested to pay.
If there is a lock pre-test failure then error 18 is generated.
Refer to Failure 8: Door Close Check at Start Failure.
Failure 19: Door Lock Test After Start
Lock system is activated after program is started. If locking pro-
cedure is not finished correctly, then error 19 is generated.
Refer to Failure 8: Door Close Check at Start Failure.
Failure 21: Overflow Failure
When the water level is raising above the hole of the overflow
tube: message 21 will be displayed.
Diagnosing Failure 21
1. Check that the overflow
hole and tube isn’t blocked.
If the overflow tube is
blocked: repair the tube.
2. Check that the drain tube
isn’t blocked.
If the drain tube is blocked: re-
pair the drain tube.
3. Check the water inlet
valves.
If the water inlet valves are
broken: replace the water inlet
valves.
Table 75 continues...
Troubleshooting
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Copyright, Alliance Laundry Systems LLC -
DO NOT COPY or TRANSMIT
97 Part No. D1676ENR11
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