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Rhonda BeckAug 18, 2025
What to do if there is a communication failure between the indoor unit and outdoor unit in my Air-Con Air Conditioner?
What to do if there is a communication failure between the indoor unit and outdoor unit in my Air-Con Air Conditioner?
General| Brand | Air-Con |
|---|---|
| Model | ABSCI4H4S09 |
| Category | Air Conditioner |
| Language | English |
Read this booklet, follow steps, observe codes, and pay attention to warnings.
Guidelines for wiring safety, emphasizing qualified electricians and proper grounding.
Precautions for transporting units and ensuring secure installation in walls or rooms.
Guidelines for selecting suitable locations for indoor and outdoor units, including avoidances.
Table listing diagram numbers for indoor and outdoor units.
Details on remote controller buttons, functions, and LCD symbols.
Conditions and actions for anti-freezing protection and defrosting cycles.
Common compressor troubles, handling notes, and operational warnings.
Table mapping outdoor unit LED indications to failure codes and root causes.
Error codes displayed on the indoor unit's 7-segment tube and their causes.
Diagnosis of protection mechanisms like under-voltage, over-voltage, and overcurrent.
Conditions and actions for AC input voltage and current protection.
Diagnosis of frequency rising prohibition for compressor discharge and outdoor coil pipe.
Troubleshooting compressor terminals and resistance checks.