TurboChef Technologies 2020 - Manual (Page 47)

2 7
TR
OUBLESHOO
TING
Fault Code Troubleshooting
From
TEST MODE
, you can test separate oven components to help diagnose an issue. To access
TEST
MODE , see page 17.
Troubleshooting:
F1:BLOWER FAULT
Access the
TEST MODE
.
(page 17)
Are the status indicators at
location 7 and 8 present
(page 18)?
NO YES
7 8
Open Left End
Bell.
Is a fault code
present on the
BMSC?
Open the Right
End Bell.
Is a fault code
present on the
BMSC?
See page 28.
YES YES NO NO
Is the wiring connected properly?
Check the BMSC, blower motor,
and I/O control board (see page
28).
Correct wiring
or replace I/O
control board,
BMSC, or
blower motor
if damaged
(page A-6 =
lower, A-8 =
upper).
Check the I/O control
board, BMSC, and blower
motor wiring (pages 37-38).
Is the blower motor
spinning freely?
NO
Remove obstruction or, if
necessary, replace blower
motor (page A-6 = lower,
A-8 = upper).
YES
Do resistance measurements
between windings and
chassis agree with values on
motor windings resistance
table (Figure 36)?
YES
See page 28.
NO
Replace the
blower motor
(page A-6 =
lower, A-8 =
upper).
To From Description Expected Resistance
Black Red Winding (A-B) 2.3-2.8
W
Black White Winding (A-C) 2.3-2.8
W
Red White Winding (B-C) 2.3-2.8
W
N/A Green Windings to chassis Open
Figure 36: Motor Windings Resistance Table
NO
YES