The"SERV CODE " indicator signifies if the diagnostic code is active or logged. "SERVE CODE indicator off means the diagnostic code is logged. If a logged diagnostic code becomes active during Mode 2 the display, the Action Alarm will sound. This will assist service technician in finding intermittent problems
Use the SCROLL switch to advance to the next recorded diagnostic code. Scrolling the display will show all the recorded diagnostic codes one at a time on the LCD.
When a diagnostic code is corrected("SERV CODE" off), it is necessary to clear the diagnostic code from the memory of the Main Display Module. Clearing a logged diagnostic code from the Main Display Module memory is done by pushing the Switch up while the code is displayed on the LCD