To Next PageTo Next PageWhat to do if the indoor unit of my Mitsubishi Electric Air Conditioner doesn't operate when EMERGENCY OPERATION switch is pressed?
If the indoor unit of your Mitsubishi Electric Air Conditioner doesn't operate when the EMERGENCY OPERATION switch is pressed, check the room temperature thermistor and the indoor coil thermistor.
What to do if indoor unit doesn't operate when EMERGENCY OPERATION switch is pressed on Mitsubishi Electric MUH-GA20VB-E1 Air Conditioner?
If the indoor unit of your Mitsubishi Electric Air Conditioner doesn't operate when the EMERGENCY OPERATION switch is pressed: 1. Check the indoor/outdoor connecting wire. 2. Refer to "Check of indoor electronic control P.C. board".
What to do if the indoor unit of my Mitsubishi Electric MUH-GA20VB-E1 Air Conditioner operates when the EMERGENCY OPERATION switch is pressed?
If the indoor unit of your Mitsubishi Electric Air Conditioner operates when the EMERGENCY OPERATION switch is pressed, replace the indoor electronic control P.C. board.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | MUH-GA20VB-E1 |
| Category | Air Conditioner |
| Language | English |
A step-by-step guide to diagnose and resolve operational issues based on error indicators.
Lists key components and their resistance/voltage criteria for diagnosing faults.
Flowchart for diagnosing issues with compressor and outdoor fan motor operation.
Troubleshooting steps for when the compressor or fan fails to stop.
Diagnostic procedure for incorrect mode operation (COOL instead of HEAT).
Diagnostic procedure for incorrect mode operation (HEAT instead of COOL).
Guide to check mis-wiring and serial signal errors causing outdoor unit non-operation.
