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Troubleshooting

Electrical Control 247

Lack of phase

Check the power supply, is it 3 phase,

380-415V?

Check the connection between power supply and terminal,

is the voltage in outdoor terminal is 3 phase, 380-415V?

Outdoor PCB is defective

Yes

(2) For the outdoor unit

a. Phase sequence error:

b. Lack of phase

Phase sequence error

Change the order of two of the wires to power supply.

Switch on the unit again.

If the problem cannot be solved, the outdoor PCB is defective

Midea MCD-60HRN1-R User Manual

Questions and Answers: