TurboChef NGO - F2 Cook Temperature Low Flowchart

34 TROUBLESHOOTING
Troubleshooting:
F2: LOW TMP (Cook Temperature Low)
YES
Replace the defective
heater.
Replace the solid state
relay.
NO
YES
YES
Replace the control
board.
Correct wiring.
YES
NO
Reset (Figure 33, page
28) and determine why
it tripped – excess grease
buildup, etc.
Is either of the heater ele-
ments defective? (heaters
should have a resistance of
14.4 Ohms)
Is the high-limit
thermostat tripped?
Is the solid state relay
defective?
Is wiring from the
solid state relay to the
I/O control board OK?
(See page 45 for sche-
matic.)
Is the RTD functioning
properly?
(see Figure 34, page 29)
Ensure wiring is
correct. If necessary,
replace RTD.
NO
NO
YES
NO