Turbo Chef Technologies i5 service manual Troubleshooting F7 THERMO RTD Open

43

Troubleshooting:

F6: EC TEMP (Electrical Compartment Temperature High)

YES

Is the oven in an area of moderate
	NO
temperature (120ºF (49ºC) or cooler)?

Does the oven have room to ventilate? Required clearances: Top: 16” (406 mm) Sides: 2” (51 mm)

NO

Move oven to open area or remove items that are in close proximity.

Relocate oven to cooler area.

YES

Are both cooling fans rotating?

YES

Check for obstructions in the airflow and remove them and clean the filter.

NO

Is the wire harness properly
connected? Check cooling
fan thermostat and cooling fans.
(See page 51 for schematic.)			NO
	YES
Replace defective		Correct wiring.
component – see page
A-7 through A-8.

Troubleshooting:

F7: THERMO (RTD Open)

Is the RTD open?

Using an Ohm Meter, measure at the control board. RTD should meas- ure approximately

109Ohms at 75ºF (24ºC).

	Is the RTD properly connected to the		Correct connection.
		NO
YES	control board? (See page 51 for
	schematic.)

YES

Replace the RTD (page A-11).

NO Replace I/O Control Board. (page A-8)

TROUBLESHOOTING