TurboChef SOTA NGO, Service Manual

Page: 61 / 85

38 TROUBLESHOOTING
NO
YES
Replace the
control board.
Correct wiring.
NO
YES
YES
Troubleshooting:
F8: HEAT LOW
YES
NO
Is the high-limit
thermostat tripped?
Are both blower motors moving air?
Check in Test Mode - see page 13.
YES
Reset (Figure 34, page
28) and determine
why it tripped – excess
grease buildup, etc.
NO
See page 33
to troubleshoot
F1: BLOWER
(Blower Running
Status Bad)
NO
Is the solid state relay
defective or damaged?
Are either of the heaters defective?
Check in Test Mode - see page 13.
Replace the defective
heater(s).
Verify the solid state
relay is not shorted
across output.
Replace the
solid state
relay.
Is the wiring from the solid
state relay to the control
board OK? (See page 45 for
schematic.)
Troubleshooting:
F9: CC TEMP (Cook Cavity Temperature High)
If this fault frequently occurs,
- Ensure the oven is cleaned daily (see pages 5-6).
- Determine if large amounts of grease-laden food are being cooked, and if
so, recommend smaller portions per cook cycle.