TurboChef Eco Service Manual page 78

50 TROUBLESHOOTING
Are the switches opening
in the correct sequence
(P, S, M) while the oven
is hot? (Ensure the oven
has been at operating
temperature for at least
fifteen minutes.) To access
Test Mode or for info on
status indicators, see page
18.
YES
Are the switches
closing in the
correct sequence
(M, S, P)?
Verify wiring and
check K7 fan relay
operation (B-17 and
C-16). If necessary,
replace the cooling
fan.
Verify wiring to the
magnetron, and verify
magnetron thermostats
is not open. Are wiring
and thermostat ok?
NO
Correct wiring/
replace the
thermostat.
F4: MONITOR (Door Monitor Defective)
NO
NO
NO
YES
F5: MAG TEMP (Magnetron Over Temperature)
Open the top cover, place the
NO
oven in Test Mode, and test the
magnetron (see page 18). Is the
magnetron cooling fan operating?
Does the magnetron pass testing
NO
in the Test Mode? See page 18.
Fault message
should disappear.
YES
Replace the magnetron and test again
in Test Mode. Does the magnetron pass
testing?
Troubleshooting:
Is the F3 fuse
blown?
Adjust the monitor safety switch.
See page 35 for instructions.
YES
Are the
switches bent
or damaged?
Troubleshooting:
YES
YES
Replace the F3
YES
fuse.
Replace all
switches.
Run test cook
cycles to verify
NO
proper operation.
Is the airpath into the
electrical compartment
YES
blocked or clogged with
debris? Check the cooling
fan finger guards and
filter on the back panel.
NO
Remove the debris
or reposition the
oven away from
obstruction.
Replace the
NO
I/O control
board (Sage).
YES