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54
TROUBLESHOOTING GCCO-PP / -PT CONT’D
NO HEAT, COMPUTER MODE
IMPORTANT NOTICE:
Before trying to trouble shoot “No Heat in Computer Mode” confirm that the oven heats in
“Manual Mode”.
PROBABLE CAUSE
CORRECTIVE ACTION
Defective output on CPU
board
Check for 24VAC at JP2 (while oven is calling for heat).
If no voltage is present:
Board is operating correctly.
If voltage is present:
Replace CPU.
ANOMALIES
PROBABLE CAUSE
CORRECTIVE ACTION
Display will intermittently
blank out
Check ribbon cable for good connections
Check panel label buttons and confirm that none of the domes are
collapsed.
If domes are collapsed:
Replace panel label.
Intermittently over heats or
under cooks
Check probe for proper resistance.
Check ribbon connection for good connection.
Check probe for good connection.
Summary of Contents for GCCO-C
Page 29: ...29 GENERAL CONT D ONE PAN TWO PAN THREE PAN FOUR PAN FIVE PAN ...
Page 59: ...59 TECHNICAL DATA CONT D GCCO C TEST POINT LAYOUT TP 2 TP 1 TP 3 TP 4 TP5 TP6 TP7 ...
Page 61: ...61 WIREING DIAGRAM GCCO T ...
Page 62: ...62 WIRING DIAGRAM GCCO AP ...
Page 63: ...63 WIRING DIAGRAM GCCO SII ...
Page 64: ...64 WIRING DIAGRAM GCCO C ...
Page 65: ...65 WIRING DIAGRAM GCCO PP ...
Page 66: ...66 WIRING DIAGRAM GCCO PT ...