Panasonic CS-PS36RKV Service Manual page 51

14.4.12 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 60°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
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