Fault Code Troubleshooting - TurboChef Encore Touch Rapid Service Manual

fault Code Troubleshooting

From Test Mode, you can run oven diagnostics and check fault counts. To access Test Mode see page
19, or turn on Diagnostic mode (see "Diagnostic Mode Yes/No" on page 16) To locate oven
components for testing, adjustment, or replacement, see the Appendix.
Is the blower
motor spinning
NO
freely?
Remove obstruc-
YES
tion or if necessary,
replace blower
motor.
Do resistance measurements
between windings and
chassis agree with values on
motor windings resistance
table (below)?
NO
Replace blower motor.
Test for voltage on the J1 connector.
1. Ground pin 5 of the J1 connector.
2. While pin 5 is grounded, check the
J1-1 (red) terminal on the control
wiring plug for 0-10 VDC across pin
J1-1 and common (page 64) while
incrementing the blower speed in test
mode.
Is DC voltage present throughout all speed
settings in test mode on the J1 connector?
To
Black
Black
Red
Black, Red, or White
Motor Windings Resistance Table
Troubleshooting:
f1: BLOWER (Blower Running Status Bad)
Cycle power to the oven.
YES
Did the blower start up?
YES
YES
Is the Status Indicator
"A" backlit in test
YES
mode? (page "Test
Mode" on page 19)
Replace the
BMSC.
YES
from
Red
White
White
Green
Is the oven type
NO
set to "Encore"?
(see page 20)
Set the oven type
to Encore. Does
the F1 fault persist?
NO
YES
1. Disconnect control wiring (J1 connector).
2. Ground pin 5 of the J1 connector (Status
OK wire) to chassis to remove the back-
light from status indicator "A" (see "Test
Mode," page 19 for more details).
Was the back-light removed from status
indicator "A" while pin 5 was grounded?
YES
Description
Winding (A-B)
Winding (A-C)
Winding (B-C)
Windings to Chassis
Update the
NO
oven firm-
ware.
NO
Check the wire
harness and if nec-
essary, replace the
I/O control board
(SAGE).
NO
NO
Expected Resistance
2.0-2.6 Ω
2.0-2.6 Ω
2.0-2.6 Ω
Open
47