GRANULDISK Granule Combi - Troubleshooting Common Machine Faults; Fault Identification and Check Procedures

3. Alarms and Troubleshooting
NB! Controls in this chapter may only be carried out by qualified staff.
FAULT CHECK
Machine will not fill with water 1. That the inlet water valve is open.
2. That a programme has been selected.
3. That the doors are closed and the door sensors are
activated.
4. That the level sensor is clean.
5. That the solenoid valve works.
The machine will not start 1. The door sensors are activated.
2. The overheating sensor has not tripped out.
3. That the motor sensor QF1 in the electrical cabinet has not
tripped out.
4. That the automatic sensor F3 or the glass sensors F4 and
F5 in the electrical cabinet have not tripped out.
5. That the emergency stop is not depressed.
6. That the temperature sensors are intact.
Spray pipe alarm 1.If pots or other things hinder the spray arms’ movement.
2.If the drive system is catching.
No granules when washing with granules 1.That the granule level is correct.
2.If the granule valve is seated properly.
3.That water pressure to the solenoid valve is OK.
4.That the magnetic valve for the granule valve is OK.
5.That the granule valve does not leak.
6. That the dirt filter and constriction is in place.
Granules left on the items to be washed 1.That nozzles are not blocked.
2.That pots are angled correctly.
3.That no foreign material is in the bottom of the granule
valve and
that the sealing ring is intact.
4.That the sieve cover is fixed in place.
5.That the granule valve is properly located in its thread.
6.That the SW1 switch on the circuit board is not in the man.
position,
(checked by an electrician).
7.That there is not too much foam in the machine while
washing.
8.That the spray pipe motor and link system are OK.
9.That the return water pipe is not blocked.
Machine does not wash items clean 1.That the nozzles are not blocked.
2.That the wash water temperature is approx. 65 °C.
3.That detergent dosing is correct.
4.That the right amount of granules are in the machine.
5.That there is not too much foam in the machine.
6.That the spray pipe motor and link system are OK.
7.That the pots are placed correctly.
8. That the protective grid for the pump has not been
blocked.