HEBT-3V BUN TOASTER
14
P/N 1011314 Rev. D 05/16
McDonald’s
TROUBLESHOOTING (continued)
Problem
Possible Cause
Corrective Action
Control Display flashes
Err 20
.
Mechanical bind in one or both con-
veyors.
Enter “user mode” to check the motor speed.
Check both conveyors for mechanical binds. Test
the motor. Replace necessary parts. Contact
your maintenance person or Authorized Service
Agency for service.
Worn or damaged Ball Bearings.
Drive chain or sprockets damaged.
Failed Motor.
Failed Control Board.
Control Display flashes
Err 8
Motor is running when it shouldn’t
be.
Contact your maintenance person or Authorized
Service Agency for service.
Crowns and/or Heels
must be forced into the
toaster. Buns sticking
and burning.
PTFE Belts not cleaned properly.
Clean PTFE Belts as described in the
Maintenance section of this manual.
PTFE Belts are dirty, worn, or dam-
aged (replace every 3 months).
Clean or replace Silicone Belts as described in
the Maintenance section of this manual.
Buns not toasting ade-
quately or too light/dark.
One of the Conveyor top 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. To adjust compression, light/
dark setting, and/or temperature,
see page 7.
Inspect the proper position of the locks as
described in the Maintenance 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 Maintenance 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 clos-
ing the door.
Fan is making an unusu-
al 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 man-
ual. If problem persists, contact your maintenance
person or Authorized Service Agency for service.
Cooling Fan is dirty and needs to
be cleaned.
Control Display flashes
Err 17
continuously.
Buns are not toasting
properly.
A platen Hi-Limit Control is tripped.
Allow the unit to cool and reset the A platen
Hi-Limit Control. If it trips again, contact your
maintenance person or Authorized Service
Agency for service.
Control Display flashes
Err 16
continuously.
Buns are not toasting
properly.
B Platen Hi-Limit Control is tripped. Allow the unit to cool and reset the B platen
Hi-Limit Control. If it trips again, contact your
maintenance person or Authorized Service
Agency for service.
