Heat Controller DMC24CA-1, DMC36CA-1 Electronic PartsTroubleshootingGuide, Troubleshooting Guide

Troubleshooting Guide

Electronic PartsTroubleshootingGuide

Trouble 1 The Product doesn’t operate at all.

Turn off the main power and wait until LED on outdoor PCB is off

Turn on the main power again.

Does the Operating LED of indoor unit blink When Operation's ON?

Refer to the self-diagnosis function.

Is the Connection between CN-POWER of indoor

unit and terminal block?

Check the connecting state of connector

Is the Connection of cable between indoor and

Outdoor unit right?

Check the diagram wiring on the control panel

Is the voltage of CN-POWER in outdoor PCB ASS'Y about AC220/240V?

Check the main power.

Check the Fuse of outdoor PCB Ass'y. Check the connecting state of wires

Check the Auto Addressing Work

Confirm Auto Addresssing work method

Replace the PCB Ass'y

* The product's operation starts at three minutes after main power turning on

32Ceiling Cassette Air Conditioner