Operation Manual
EN
page 34
E3. TANK HEATING ALARM:
Cause:
The factory-set wash-tank temperature was not achieved in the maximum foreseen 60 min.
time limit.
Checks:
1. If the tank heating element heats properly.
Check the integrity of the electrical heating element.
Check the electrical connection and the safety thermostat.
Check the tank coil-switch (remote control switch) protection.
2. Circuit board failure. Change the circuit board.
E5. TANK OVERHEATING:
Cause:
The wash-tank temperature exceeded 90°C.
Checks:
1. Check the sensor integrity. Replace if needed.
2. Check the wash-tank coil-switch protection.
3. Circuit board failure. Change the circuit board.
E6. TANK DRAINING FAILED:
Cause:
The draining of the wash-tank was not completed within the maximum foreseen time limit.
Checks:
1. Check if the drain pipe is clogged.
2. Check if the drain pump is working properly.
3. Circuit board failure. Change the circuit board.
Z6. TANK LOW LEVEL:
Cause:
During the wash cycle the tank pressure-switch detects a too low level of water in the
tank.
Checks:
1. Drain and load again the tank.
2. Pressure-switch failure. Replace if needed.
3. Checkiftheoverowdeviceispresent.