Electrolux W585S Service Manual page 89

Service Manual
89
22:3 PHASE FAILURE
The Motor Control Unit indicates error E.UPh.
One phase of input voltage missing. (Ripple detected).
Internal message 3.
Recommended actions:
1. Check power supply.
2. Check for blown fuses.
22:4 OVERCURRENT
The Motor Control Unit indicates error E.OC.
Peak current too high.
Internal message 4.
Recommended actions:
1. Verify that the load in the machine does not exceed maximum load.
2. Verify that the load in the machine have distributed correctly before spin.
3. Check FC for short-circuit at output transistors.
4. Check motor including cable for short-circuit.
5. Switch off the main power to machine for 5 minutes.
6. Restart the machine.
22:6 OVERHEAT INTERNAL
The Motor Control Unit indicates error E.OHI.
Internal overheating in frequency controller. Can only be reset when internal temperature has dropped by 3 °C.
This is indicated by message E.nOHI. See also error code 22:7.
Internal message 6.
Recommended actions:
1. Switch off the main power to machine for 30 minutes.
2. Restart the machine.
22:7 NO OVERHEAT INTERNAL
The Motor Control Unit indicates error E.nOHI.
Error OVERHEAT INTERNAL is reset. See also error code 22:6.
Internal message 7.
Recommended actions:
1. Switch off the main power to machine for 5 minutes.
2. Restart the machine.
22:8 OVERHEAT POWER MODULE
The Motor Control Unit indicates error E.OH.
Too high temperature on power module heat sink.
Error can only be reset when temperature is normal again. This is indicated by message E.nOH. See also error code
22:36.
Internal message 8.
Recommended actions:
1. Check that cooling fan is working and that fan grid is not clogged..
2. Check that heat sink is not soiled.
3. Very high ambient temperature.
4. Switch off the main power to machine for 30 minutes.
5. Restart the machine.