A33 Thermal alarm Inverter 1 warns of a problem with the inverter that controls the chamber fan.
As consequence unit stop any function.
This message requires the intervention of an authorized technician; causes of the fault must be investigated as per prescriptions.
Description
The inverter detects an overtemperature on the heatsink for more than 5 seconds.
Red LED show a sequence of 3 flashes.
Warning
Inverter capacitors can be charged, before any action disconnect the power supply. Always check the conditions around the inverter and the motor (presence of water leaks, visible damage, etc.).
Reset
To reset the error message set the P215 to 0.
Checks
Perform the following checks:
- Check the inverter
- Check cooling fans and heat sources
- Check impedance of motor windings
- Check wirings
- Check power supply
- Chech for meccanical blockage fan/motor