TurboChef Technologies High h Batch - Manual (Page 38)

NO YES
Replace I/O Control
Board. (page 39)
Correct wiring.
NO YES
YES
22 D I A G N O S I N G A N I S S U E
Troubleshooting:
F8: HEAT LOW
YES NO
Is the Hi-Limit
Thermostat tripped?
Is the Blower Motor blowing air?
YES
Reset and
determine why it
tripped – excess
grease buildup, etc.
(Figure 25, page 20)
NO
See page 17
to troubleshoot
F1: BLOWER
(Blower Running
Status Bad)
NO
Is the Solid State Relay
defective?
Is the Heater
Element defective?
Replace defective
heater. (page 54)
Verify Solid State
Relay is not shorted
across output.
Replace SSR.
(page 40)
Is wiring from SSR to
I/O Control Board OK?
(See page 61 for
schematic.)