112
16.4.19. H98 (Indoor High Pressure Protection)
Error Code will not display (no Timer LED blinking) but store in EEPROM
Malfunction Decision Conditions
During heating operation, the temperature detected by the indoor pipe temperature sensor is above 60eC.
Malfunction Caused
• Air short circuit at indoor unit
• Clogged indoor unit air filter
• Dust accumulation on the indoor unit heat exchanger
• 2/3 way valve closed
• Faulty indoor unit fan motor
• Excessive refrigerant
• Clogged expansion valve or strainer
• Faulty indoor pipe temperature sensor
• Faulty indoor unit PCB
Troubleshooting
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