Service Mode - GE PTWN8055MMS User Manual

Service Mode

Test "t1" --- Software Version.
• Press start button once to display power board software version.
• Press start a second time to view display / logic board software.
• All control panel LEDs should be illuminated as part of test.
Test "t2" --- Error Codes
• Press start button to display most recent error code.
• EEprom will store five error codes and display them in
chronological order by turning selector knob.
• To clear error codes, press start pad with error displayed.
Test "t3" --- Button / Pad Check
Buttons or pads should light and beep when pressed.
Each time a button or pad is pressed, the display will change from
"111" to "222" then "333" and on and on......
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Copyright 2011