Turbo Chef Technologies i5 service manual Fault Code Troubleshooting, Below

Fault Code Troubleshooting

From TEST MODE, you can run oven diagnostics and check fault counts. To access TEST MODE or turn on Diagnostic mode, see page 15.

Troubleshooting:

F1: BLOWER (Blower Running Status Bad)

39

Is the wiring harness properly connected?

Check the motor

	Are Status Indicators “B”
		NO
YES
	and “T” backlit in TEST		Is each blower motor
	MODE? (see page 15)
			spinning freely?
YES

controller, top and bottom blower motors, and I/O control board. (See page 51 for schematic.)

NO

Correct the wiring

Remove obstruction or if neces-			NO
sary, replace blower motor(s)
(pages A-9 through A-10).
Do resistance measurements
			YES
between windings and chassis
agree with values on motor
windings resistance table?
(Figure 33, below)
	YES	NO

YES

Is output from I/O board to harness 1-10 volts? (Verify at test points).

NO

Replace the I/O board (page A-8).

or replace I/O control board (page A-8)/motor controller (page A-7) if damaged.

	Replace the blower motor(s). Be
Replace motor	sure to check both the top and
controller. (page A-7)	bottom blower motors (pages A-9
	through A-10).

To	From	Description	Expected Resistance
Black	Red	Winding (A-B)	5.9-7.3 Ohms
Black	White	Winding (A-C)	5.9-7.3 Ohms
Red	White	Winding (B-C)	5.9-7.3 Ohms
Black, Red, or White	Green	Windings to Chassis	Open

Figure 33: Motor Windings Resistance Table

TROUBLESHOOTING