H33

Malfunction Decision Conditions

  • The supply power is detected for its requirement by the indoor/outdoor transmission.

Malfunction Caused

  • Wrong models interconnected.
  • Wrong indoor unit and outdoor unit PCBs used.
  • Indoor unit or outdoor unit PCB defective.

Troubleshooting

When abnormality indication starts again
↓
Check indoor and outdoor units model number
⚠
Caution For safety reason and to prevent component breakdown, always switch off the power before remove and connect the component.
↓
Is the indoor and outdoor unit model number matched?
NO
→
  • Match the compatible model (follow specification)
↓
Check indoor and outdoor PCB part number and compare if they matched part list.
YES
→
  • Replace the indoor and outdoor unit PCB.
NO
↓
Change for the specified indoor or outdoor unit PCB.
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