Specifications

Troubleshooting SiBE04-624_B
78 Service Diagnosis
2.3 Air conditioner runs but does not cool (heat) the room.
Error Code
Error Decision
Conditions
Supposed
Causes

Improper setting for temperature

Incorrect combination of indoor unit and outdoor unit

Clogged air filter

Insufficient power

Refrigerant piping is too long

Defective field piping (squeezed, etc.)