Midea MTA-76CRN1 Service Manual

Air-cooled Package DM13-01.01.16en
40 Service manual
Operation lamp flashes:
No
Yes
No
Yes
All lamps flashing at 5Hz
Judge 1: The PRO terminal on PCB of indoor unit without connecting to grounding wire
Validate: Check whether the PRO terminal on PCB of indoor
unit without connected to grounding wire.
Connect it to grounding wire.
Judge 2: Optical coupler on PCB malfunction
Validate: Check whether the Optical coupler is normal.
Replace optical coupler
Replace indoor PCB.

Midea MTA-76CRN1 Specifications

General

Brand	Midea
Model	MTA-76CRN1
Category	Air Conditioner
Language	English