
DIAGNOSING
AN
ISSUE
33
NO
Troubleshooting:
No Display – Screen is Blank
YES
NO
Does the control beep when
a key is pressed?
Is wiring from the
control board to
display OK?
Is J3 connector
receiving 5 VDC?
(page 52)
NO
YES
YES
Replace the display.
(page 32)
NO
NO
YES
Is the power supply
output at 24 VDC?
NO
YES
YES
Verify 5 VDC is
present on J3 con-
nector. If not, replace
the control board
(page 39)
Is the control board
receiving correct VDC?
Check voltage on D6
Diode on striped end
(page 52 for schematic
of the control board)
Replace fuses.
(page 40)
Check wiring from
Power Supply to the
control board. Correct
wiring if necessary.
Replace the control
board. (page 39)
Correct wiring.
If ribbon cable is
damaged, replace
with P/N 103024.
Is the power supply
receiving power?
Replace power supply.
(page 39)
Summary of Contents for HIGH H BATCH 2
Page 2: ......
Page 3: ...For further information call Customer Service at 800 90turbo Sales Marketing at 866 90turbo TM...
Page 11: ...Specifications and Installation...
Page 12: ......
Page 21: ...Oven Maintenance...
Page 22: ......
Page 26: ...12 OVEN MAINTENANCE This page intentionally left blank...
Page 27: ...Operating the Oven...
Page 28: ......
Page 38: ...22 operating the oven This page intentionally left blank...
Page 39: ...Diagnosing an Issue...
Page 40: ......
Page 54: ...36 diagnosing an issue This page intentionally left blank...
Page 55: ...The Control System...
Page 56: ......
Page 61: ...The Convection System...
Page 62: ......
Page 67: ...The Oven Door...
Page 68: ......
Page 71: ...The Filtering System and Miscellaneous Components...
Page 72: ......
Page 75: ...Schematics...
Page 76: ......
Page 78: ...50 SCHEMATICS This page intentionally left blank...
Page 81: ......