Panasonic CS-L72JD1R5 Operating Instructions Manual page 25

Error code display function
When the error occurred in the indoor unit, then the error code will be displayed on remote controller the indoor unit, then the error code will be displayed on remote controller
- "CH" and error code number is displayed at regular intervals. - "CH" and error code number is displayed at regular intervals.
Ex) In case of "CH03"
When the remote controller is used in Group Control, the error code will be displayed as shown
below(This is only apply for"CH03")
- "CH" and error code number is displayed at regular intervals beside the Clock (as shown in figure).
2 Error code displayed on PCB
Ex) In case of "CH21"
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