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7
TROUBLESHOOTING
Before proceeding with the listed checks in the presence of functional anomalies, carry out these checks:
-
Check that the tap is open;
-
Check that the mains pressure is within the specified limits (see §2.5);
-
Check that the power supply is efficient;
-
Check that the circuit breaker is in the ON position;
-
Check that the flexible connections are not crushed or bent.
The checks marked with * can be performed by the user adequately informed and
referring to the various sections of this manual.
The checks marked with
Problem:
The display does not turn on.
Cause
No electricity supply
Circuit breaker
disactivated
Display cable
disconnected
Defective display
Defective board
Problem:
Intervention of the fuse and protection circuit breaker.
Cause
Motor shorting out
Wrong wiring
Leakage
Problem:
Intervention of the protection differential switch (circuit breaker)
Cause
Intervention of circuit
breaker
Defective motor
Wrong wiring
Problem:
The display shows "Alarm Leakage."
Cause
Leakage
Anti-flooding probe
short circuit
7596043 – MANUAL WO-30-01 ENG_REV. 2
must only be carried out by qualified personnel.
Make sure the plug is inserted and there is electricity supply.
Check if ON
(if it disactivates itself again do not insist but call the assistance).
Check the flat connection cable of the display to the board, fasten it
properly.
Replace the display.
Replace the board.
Replace the motor and the protection fuses.
Check the state, isolation and tightness of the wiring.
Check the state, isolation and tightness of the wiring; check the
status and functioning of the electronic board.
Re-activate
(if it disactivates itself again do not insist but call the assistance).
Replace motor.
Check the state, isolation and tightness of the wiring.
Open the machine and check for leaks in the hydraulic circuit.
Check the position of the probe, if directly in contact with the steel
tray, move it or deoxidize it with a paper towel soaked in alcohol.
Solution
Solution
Solution
Solution
*
*
*
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