To Next PageTo Next PageWhat to do if Mitsubishi Electric MUH-A07YV-E1 Air Conditioner indoor unit doesn't operate when EMERGENCY OPERATION switch is pressed?
First, check the connecting wire between the indoor unit and the remote. Then, refer to "Check of indoor electronic control P.C. board".
What to do if Mitsubishi Electric MUH-A07YV-E1 unit doesn't operate normally in COOL or HEAT mode?
Refer to C "Check of R.V. coil" on page 25.
Why is the Mitsubishi Electric Air Conditioner outdoor unit OPERATION INDICATOR lamp flashing?
The OPERATION INDICATOR lamp might be flashing due to several reasons: * A serial signal issue between the indoor and outdoor units. * A problem with the room temperature or indoor coil thermistor. * A problem with the indoor fan motor. * A problem with the thermistor in the outdoor unit. * A problem with the outdoor control system. If this is the case, replace the deicer P.C. board. For the first three issues, check the room temperature thermistor and indoor coil thermistor. For the fourth issue, refer to E "Check of outdoor thermistor" on page 27. For the serial signal issue, refer to "Test point diagram and voltage".
What to do if Mitsubishi Electric MUH-A07YV-E1 Air Conditioner outdoor unit doesn't stop even if indoor unit stops?
Refer to B "Check of outdoor unit" on page 25.
What to do if Mitsubishi Electric MUH-A07YV-E1 indoor unit operates when the EMERGENCY OPERATION switch is pressed?
Refer to "Check of remote controller and receiver P.C. board".
Why Mitsubishi Electric Air Conditioner outdoor unit operates only in Test Run operation?
Check the room temperature thermistor. Refer to "Test point diagram and voltage".
What to do if Mitsubishi Electric Air Conditioner outdoor unit doesn't operate even in Test Run operation?
Refer to A "Check of outdoor unit" on page 24.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | MUH-A07YV-E1 |
| Category | Air Conditioner |
| Language | English |
Identifies and explains the various components of the outdoor unit.
Lists and describes the included accessories for the air conditioner models.
Details capacity, input, pressure, and current performance data across various conditions.
Explains control logic for HEAT, "I FEEL", and R.V. coil operations.
Guides on diagnosing issues, checking parts, and error code resolution.
Provides step-by-step instructions for disassembling key unit components.
Lists all structural, electrical, and accessory parts with their part numbers.
