Turbo Chef Technologies HHB-8041, HHB-8136 Troubleshooting F2 LOW TMP Cook Temperature Low

DIAGNOSING AN ISSUE 19

Troubleshooting:

F2: LOW TMP (Cook Temperature Low)

YES

Does the Display read “Cook Door

Open” when the door is closed?

NO

Is wiring from the

Door Switch to the I/O

Control Board OK?

(See page 61 for

schematic.)

	Correct wiring.
NO

YES

Replace Door Switch.

(page 36)

If problem

persists, replace the I/O Control Board.

(page 39)

Reset and determine

why it tripped – excess grease buildup, etc. (Figure 25, page 20)

Is the SSR defective?

YES

NO

Is the Hi-Limit

Thermostat tripped?

NO

Is the Heater Element

defective?

NO

Is wiring from

SSR to I/O Control

Board OK?

(See page 61 for

schematic.)

YES

Replace SSR.

(page 40)

YES

Ensure jam nut is

adequately tightened

and flange nut

(behind jam nut) is not over-tightened.

	YES	NO
Replace I/O Control		Correct wiring.
Board. (page 39)

If the problem

persists, replace the

defective heater.

(page 54)