77
14.4.13 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry)
Malfunction Decision Conditions
• Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C)
Malfunction Caused
• Clogged air filter of the indoor unit
• Dust accumulation on the indoor unit heat exchanger
• Air short circuit
• Detection error due to faulty indoor pipe temperature sensor
• Detection error due to faulty indoor unit PCB
Troubleshooting
To Next Page