Middleby Marshall PS360G Gas, Owner'S Operating And Installation Manual

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IV. PS360G TROUBLESHOOTING INFORMATION
A. Troubleshooting Guide
SYMPTOM POSSIBLE CAUSES SOLUTIONS
Nothing displayed on controller
1. Power not connected
2. Main breaker not on
3. Control circuit breaker tripped
1. Check plug at wall
2. Check main breaker
3. Check control breaker
Control display is dim and the
WOW OVEN image can be seen
Control is in OFF/STANDBY mode.
No problem – the control backlight
turns off when the oven is not turned
on for use. Press I/O button.
Oven not baking properly
1. Settings have been changed
2. Kitchen airflow conditions
affecting the bake
1. Confirm correct values and
check that the oven is set
properly (time and temperature)
2. Eliminate air cross-currents in
area
Conveyor noticeably running at
the wrong speed
Time settings have been changed
Confirm correct values and correct
control settings
Conveyor not moving
1. Something has jammed the
conveyor
2. Circuit breaker has tripped
3. Chain has come loose from the
sprocket
1. Turn power off. Locate and
remove jam item.
2. Check conveyor for jamming
and Reset the breaker (right
side control door).
3. With power OFF, remove chain
cover, replace chain onto
sprocket and replace chain
cover.
“RESET IGNITION” on display
1. Gas not turned on to oven
2. Burner has stopped running
1. Turn on manual valve on supply
to oven
2. Turn the oven off and back on
again to clear the notification
and relight

Arrange for service if the
problem reoccurs
“BAKING” indication goes on and
off in upper left corner of the
control display Oven is cycling normally. BAKING
indication comes on upon
triggering the photo eye.
No problem – the timed baking cycle
automatically starts when product
breaks the photo eye beam and
stops after product leaves the
baking chamber.
Oven does not enter BAKING
mode when product is placed on
the belt.
Photo eye not working.
Enter BLOWER CONFIGURATION
menu (manager access) and turn
Energy Mode to OFF. Oven will
now run in BAKING mode all the
time. Call service to schedule
repair.
Baked product comes out
underdone.
Photo eye not working. Check to
see if BAKING appears on display
when photo eye beam is
interrupted
Enter BLOWER CONFIGURATION
menu (manager access) and turn
Energy Mode to OFF. Oven will
now run in BAKING mode all the
time. Call service to schedule
repair.