Panasonic CS-E7PKR Service Manual page 130

16.4.18 H98 (Error Code Stored in Memory and no alarm is triggered / no TIMER LED
flashing)
Malfunction Decision Conditions

Indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is
operating in heating operation.

Phenomena: unit is stopping and re-starting very often in heating mode.
Malfunction Caused

Indoor heat exchanger thermistor

Clogged air filter or heat exchanger

Over-bent pipe (liquid side)
Troubleshooting
Note: Some error code might not applicable for this model.
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