TurboChef ENCORE Service Manual page 62

40 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 19.
No
Adjust the monitor safety switch.
See page 25 for instructions. From
the cooling down or off screen, press
and hold the i key for 5 seconds to
reset the oven. Doing so should clear
the fault message.
Verify wiring and check K7
fan relay operation (b-17
and C-16). If necessary,
replace the cooling fans.
Verify wiring to magnetrons,
and verify magnetron ther-
mostats are not open. Are
wiring and thermostats okay?
No
Correct wiring/
replace the
thermostats.
F4: MONITOR (door Monitor defective)
Is the connector to the monitor
switch properly seated?
No Is the 20-amp F3 fuse blown?
YES
F5: MAG TEMP (Magnetron Over Temperature)
open the top cover, place the oven in
No
Test Mode, and test the magnetrons
(see page 19). Are the magnetron
cooling fans operating?
Do the magnetrons pass testing in the
No
Test Mode? See page 19.
replace the magnetron(s) and
YES
test again in Test Mode.
Troubleshooting:
YES
Are the switches
closing in the
correct sequence
(M, S, P)?
From the cooling down or off screen,
press and hold the i key for 5 seconds to
reset the oven. Doing so should clear the
fault message.
Troubleshooting:
YES
Fault message
should disappear.
Seat the connector on
No
the switch.
replace the F3 fuse.
YES
Are the
switches bent
YES
or damaged?
No
No YES
replace damaged
switch(es).
Is the airpath into the electri-
cal compartment blocked or
YES
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.
YES