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General| Brand | Mitsubishi Electric |
|---|---|
| Model | MUZ-AY50VG |
| Category | Air Conditioner |
| Language | English |
Steps to take before starting service, including tool preparation and safety checks.
Safety measures to follow while performing repair work on the unit.
Checks and procedures for minimizing ignition risks when working with flammable refrigerants.
Methods for detecting refrigerant leaks without using ignition sources.
Steps for safely removing and evacuating refrigerant from the system.
Table mapping sensors to their purposes and the actuators they control.
Important safety considerations and preliminary checks for troubleshooting.
Visual guide on how to initiate and interpret the failure mode recall function.
Specific flowchart for recalling and diagnosing outdoor unit failure modes.
Procedure to check voltage balance between inverter terminals for open phase detection.
Steps to check compressor winding, operation time, and start failure.
Diagnostic steps to verify power supply voltage and check for issues with control boards.
Procedure to check the expansion valve operation, vibration, and coil voltage.
Steps to diagnose the inverter P.C. board, including fuse checks and LED indications.
Diagnostic flowcharts for identifying miswiring and serial communication errors.
Troubleshooting steps for diagnosing issues within the outdoor refrigerant circuit.
