TurboChef Double Batch User Manual

21
TROUBLESHOOTING
To From Description Expected Resistance
Black Red Winding (A-B) 2.0-2.6 Ohms
Black White Winding (A-C) 2.0-2.6 Ohms
Red White Winding (B-C) 2.0-2.6 Ohms
Black, Red or White Green Windings to Chassis Open
Figure 21: Motor Windings Resistance Table
Troubleshooting:
F1-1: BLOWER (Top Oven)
F1-2: BLOWER (Bottom Oven)
YES
YES
NO
Check the wire harness and
if necessary, replace blower
motor.
Remove obstruction
or if necessary, replace
blower motor.
Do the resistance measure-
ments between windings and
chassis agree with values on
motor windings resistance
table (below)?
Is the blower motor
spinning freely?
NO
YES
1. Locate and disconnect
the 6-pin minifit Molex
connector (see page 41
for schematic).
2. Disconnect the QC-11
Connector.
3. Ground pin 5 of the
connector to the
chassis. Observe status
indicator on the display.
Does the “A” backlight
disappear when pin 5 is
grounded?
NO
NO
Is Status Indicator “A”
backlit on the Service
Screen? (page 16)
YES
Check the wire harness
and if necessary, replace
the control board.
1. Test pin 1 of QC-11 connector for
control voltage.
2. Ground one lead and insert other into
pin 1 of the QC-11.
Is 0-10 VDC present throughout all speed
settings in Test Mode?
Check the wire harness and
if necessary, replace BMSC.
NO
YES

TurboChef Double Batch Specifications

General

Brand	TurboChef
Model	Double Batch
Category	Oven
Language	English