Panasonic CU-2E18NBU service manual Troubleshooting Guide, Self Diagnosis Function

15. Troubleshooting Guide

15.1 Self Diagnosis Function

šThe display screen of wireless remote control unit and the self-diagnosis LEDs (green) on the outdoor printed circuit board in the outdoor unit can be used to identify the location of the problem.

Refer to the table below to identify and solve the cause of the problem, and then re-start the air conditioner system.

šIf the problem is solved and operation returns to normal. LED 1 illuminates and others LED are off.

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