Panasonic CS-PC30JKF, Service Manual

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15.4. Error Code Table
15.4.1. Self-diagnosis function
1. The self-diagnosis LEDs (red) on the outdoor unit printed circuit board can be used to indicate where the location of a problem
is.
Refer to the table below to remove the cause of the problem and then re-start the air conditioner system.
2. If the problem disappears and operation returns to normal, the self-diagnosis LED will remain illuminated until operation is
resumed.
… flashing blank off … light off …illuminated
3. When the Timer LED at indoor unit signal receiver flashes, it indicates there is error.
4. Diagnosis functions which are not applicable for this model is marked .