11
P/N 1011443 Rev. C 08/17
Problem
Possible Cause
Corrective Action
Control Display flashes PLt
continuously. Buns not toasting
properly.
Platen temperature is below 545 °F (285 °C).
Allow the unit to warm up for 30 minutes and then recheck. If the
Control Display still flashes PLt, contact your maintenance person
or Antunes Technical Service for service.
Failed Platen Thermocouple.
Contact your maintenance person or Antunes Technical Service for
service.
Failed Control Board
Control Display flashes Er 10
continuously.
Control Compartment ambient temperature is
above 150
°F (66
°C)
Verify side vents on toaster are unblocked and not near other
heating appliances. If problem persists, contact your maintenance
person or Antunes Technical Service for service.
Failed Cooling Fan.
Failed Control Board
Control Display Flashes SSr con-
tinuously. Buns Burn.
Failed Front Platen Solid State Relay.
Contact your maintenance person or Antunes Technical Service for
service.
Failed Control Board.
Failed Front Platen Thermocouple.
Control Display flashes Er 12
continuously. Buns not toasting
properly.
Loose Platen Thermocouple connection on Con-
trol Board or the Platen Thermocouple is open.
Re-secure the Platen Thermocouple to the Control Board. If the
Control Display still reads Er 11, check the Thermocouple for
continuity. Contact your maintenance person or Antunes Technical
Service for service.
Failed Control Board.
Control Display flashes Er 11
continuously. Buns not toasting
properly.
Shorted Platen Thermocouple to ground.
Disconnect and re-secure the Platen Thermocouple connection to
the Control Board. If the Control Display still reads Er 10, check the
Thermocouple for continuity. Contact your maintenance person or
Antunes Technical Service for service.
Failed Control Board
Control Display flashes StoP.
Mechanical bind in one or both conveyors.
Enter “user mode” to check the motor speed. Check both convey-
ors for mechanical binds. Test the motor. Replace necessary parts.
Contact your maintenance person or Antunes Technical Service for
service.
Worn or damaged Ball Bearings.
Drive chain or sprockets damaged.
Failed Motor.
Failed Control Board.
Control Display flashes SpEd.
Mechanical bind in one or both conveyors.
Enter “user mode” to check motor speed. Check both conveyors for
mechanical binds. Replace necessary parts. Contact your mainte-
nance person or Antunes Technical Service for service.
Worn or damaged Ball Bearings.
Conveyor chains loose or damaged.
Drive chain or sprockets damaged.
Crowns and/or Heels must be
forced into the toaster. Buns
sticking and burning.
Belts are dirty, worn, or damaged (replace every
2-4 months).
Clean or replace Belts as described in the Maintenance section of
this manual.
Buns do not meet specifications.
Contact your bun supplier.
Buns not toasting adequately.
Compression Setting is incorrect.
Use the recommended setting of 4 for Crowns and 3 for Heels.
One of the Conveyor shafts is stuck in the lower
lock position.
Inspect positions of the shafts as described in the Maintenance
section of this manual.
Either both Upper/Lower Conveyor locks are not
properly locked in place.
Inspect the proper position of the locks as described in the Mainte-
nance section of this manual.
Buns do not meet specifications.
Contact your bun supplier.
Motor settings are incorrect.
Verify that the motor setting is set to 4000 as described in the
Programming section of this Manual.
Compression side door will not
close.
Either both Upper/Lower Conveyor Locks are
not properly locked in place.
Inspect the proper position of the locks as described in the Mainte-
nance section of this manual.
The lock on the Compression Side Door is in the
locked position when trying to close the door.
Turn the lock to the unlocked position before closing the door.
Fan is making an unusual sound.
Failed Cooling Fan.
Verify vents on toaster are unblocked and not near other heating
appliances. Clean fans as described in the Maintenance section of
this manual. If problem persists, contact your maintenance person
or Antunes Technical Service for service.
Cooling Fan is dirty and needs to be cleaned.
Control Display flashes HL con-
tinuously. Buns are not toasting
properly.
Hi-Limit Control is tripped.
Allow the unit to cool and reset the Hi-Limit Control. If it trips again,
contact your maintenance person or Antunes Technical Service for
service.
TROUBLESHOOTING
