![](http://pdfasset.owneriq.net/9/63/9632326a-7500-43d7-89a5-e7bd014467be/9632326a-7500-43d7-89a5-e7bd014467be-bg49.png)
73
14.4.13 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 140°F.
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