Service manual
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F-25114 Rev.A (07-03)
Display, Led and Keypad Test
1. Press and hold the “5” key while turning power on to
Initiate test. Release the “5” key during display of
software revision level.
2. For each number key (1-9, & 0) pressed, the
corresponding value is displayed in each character
position on the left and right display.
(i.e.”5" key shows “55555555” “55555555”).
NOTE: Beeper chirp’s for as long as key is held.
3. For each function key pressed, the following values
are displayed in each character position on the left
and right display:
- PROGRAM (V): “V”
- TEMPERATURE: “T”
- TOGGLE: “L”
- BOIL: “B”
- LEFT TIME: “<“
- RIGHT TIME: “>”
4. Turn power off to exit test.
GR SERIES GAS FRYERS - SERVICE PROCEDURES AND ADJUSTMENTS










