Error code

Mitsubishi Electric PFD code 1501

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: 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

Lacked refrigerant abnormality abnormality refrigerant Insufficient: 1. When the unit condition is as follows, the compressor is stopped (1st detection) and after 3 minutes, the compressor is restarted automatically. 1 F<60Hz and TH10>85°C continuously for 60 minutes. 2 F<60Hz and TH10>95°C continuously for 15 minutes. 3 F 60Hz and TH10>100°C continuously for 60 minutes. 4 F 60Hz and TH10>110°C continuously for 15 minutes. 2. If the temperature rises again as above within 2 hours after the outdoor unit is stopped (2nd detection), an error stop is performed, and t

Member details

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Possible causes

(1) Gas leakage, insufficient gas. (2) Overload operation. (3) Indoor unit LEV operation is faulty. (4) Outdoor unit LEV1 operation is faulty. (5) Outdoor unit SLEV operation is faulty. (6) Ball valve operation is faulty. (7) The thermistor is faulty. (8) The control board’s thermistor input circuit is faulty.

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.