Turbo Chef Technologies 3240 manual Fault Code Troubleshooting

Fault Code Troubleshooting

From TEST MODE, you can test separate oven components to help diagnose an issue. To access TEST MODE, see page 16.

Troubleshooting:

F1:BLOWER FAULT (Blower Failure)

Access the TEST MODE.

(page 16)

Check the I/O control

NO

Are the status indicators at

YES

board, BMSC, and blower

location 6 and 7 present

motor wiring (page 45).

(pages 18-19)?

6

7

Remove obstruction or, if

Is the blower motor

necessary, replace blower

NO

spinning freely?

motor (page A-8 = lower,

Open Left End

Open the Right

A-12 = upper).

YES

Bell.

End Bell.

Is a fault code

Is a fault code

Do resistance measurements

between windings and

Replace the

present on the

present on the

chassis agree with values on

NO

BMSC?

BMSC?

blower motor

motor windings resistance

(page A-8 =

table (Figure 37)?

lower, A-12 =

NO

YES

YES

NO

YES

upper).

YES

CF, cF, F1, or GF fault: EPM module

is faulty. Replace BMSC (page A-8 =

lower, page A-12 = upper).

Replace BMSC (page A-8 =

Correct wiring

lower, A-12 = upper).

or replace I/O

AF fault: Temperature is too high in

control board,

housing. Check cooling system (page

BMSC, or

41).

Is the wiring connected properly?

blower motor

if damaged

NO

Any other fault:

Check the BMSC, blower motor, and

(page A-8 =

Call technical support.

I/O control board.

lower, A-12 =

upper).

To

From

Description

Expected Resistance

Blue

Brown

Winding (A-B)

5.1-5.5 W

Blue

White

Winding (A-C)

5.1-5.5 W

Brown

White

Winding (B-C)

5.1-5.5 W

Blue, Brown, or White

Green

Windings to chassis

Open

3 1

T RO U B L E S H O OT I N G

Figure 37: Motor Windings Resistance Table