Error code

Mitsubishi Electric PWFY code 5301

For your safety

This fault is rated critical. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage and refrigerant gas circuit

If there is a risk to life, first move to a safe place, then call 112. Do not follow remote repair instructions.

Call 112

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No approved translation for this record yet; showing the original text.

Meaning

ACCT sensor short circuit/open circuit: Abnormal value is detected by the ACCT sensor detection circuit immediately before inverter startup. | ACCT sensor fault (Detail code 115): When the formula "output current < 1.5 Arms" remains satisfied for 10 seconds while the inverter is in operation.

Member details

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Possible causes

(1) The power for the (2) Short-circuited transmission (3) Incorrect wiring of Disconnected wire The male power supply connector (CN40). In the system to which is connected to the (4) Broken M-NET transmission (5) Faulty wiring or loose unit and CM2M on (6) Incorrect wiring for Short-circuited wire Disconnected wire Reversed daisy-chain Incorrect wiring for indoor unit The M-NET transmission (7) The sub/main setting (8) 2 or more main MA (9) Circuit board fault (10) Remote controller (11) Outdoor unit failure (1) When 2) and 3) above (3) Troubleshooting Principal (1) Compare the pressure that is detected check for failure. By configuring the digital display the high-pressure sensor appears (1) While the sensor is stopped, compare (1) When the gauge pressure is between (2) Whe

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.