Panel Switches do not Function

1. Check for foreign matter around the switches that might prevent operation.

   OK: No foreign matter is found. 

NG: REMOVE ANY FOREIGN MATTER FOUND 

OK: Go to next step. 

1. Enter the "Display Check" mode (Panel Switch Check) (See DISPLAY CHECK MODE  ).
2. Operate the abnormal switch and check if the switch name and status are correctly displayed.

   OK: The switch name and status are correctly displayed as operated. 

Fig 1: Checking Panel Switch (Display Check Mode)

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NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

OK: REPLACE MULTI-DISPLAY