HEBT-5V BUN TOASTER
11
P/N 1011112 Rev W 05/22
McDonald’s
Problem
Possible Cause
Corrective Action
Unit displays error message:
“SSR
‘A’ Fail. Toaster Shut Down”.
Followed by a cool down cycle.
Power, Motor, ‘B’, and ‘C’ lights are
solid and Service and ‘A’ lights are
flashing.
SSR is stuck closed causing platen ‘A’
temperature to exceed 343°C (650°F).
Cycle power off and on if fault message
persist; contact your Maintenance person
or Authorized Service Agency for service.
Failed Display Board.
Failed I/O Board.
Unit displays error message:
“SSR
‘B’ Fail. Toaster Shut Down”.
Followed by a cool down cycle.
Power, Motor, ‘A’, and ‘C’ lights are
solid and Service and ‘B’ lights are
flashing.
SSR is stuck closed causing platen ‘B’
temperature to exceed 343°C (650°F).
Cycle power off and on if fault message
persist; contact your Maintenance person
or Authorized Service Agency for service.
Failed Display Board.
Failed I/O Board.
Unit displays error message:
“SSR
‘C’ Fail. Toaster Shut Down”.
Followed by a cool down cycle.
Power, Motor, ‘A’, and ‘B’ lights are
solid and Service and ‘C’ lights are
flashing.
SSR is stuck closed causing platen ‘C’
temperature to exceed 343°C (650°F).
Cycle power off and on if fault message
persist; contact your Maintenance person
or Authorized Service Agency for service.
Failed Display Board.
Failed I/O Board.
Unit displays error message:
“High Limit Tripped. Toaster
Shut Down”.
Followed by a cool
down cycle.
Failed Platen Thermocouple causing the High
Limit to trip.
Allow unit to cool and reset the High Limit.
If the High Limit trips again, contact your
Maintenance person or Authorized Service
Agency for service.
Defective High Limit
Unit displays error message:
“Conveyor Stopped. Toaster
Shut Down”.
Followed by a cool
down cycle. Power, ‘A’, ‘B’, and
‘C’ lights are solid and Service and
Motor lights are flashing.
Mechanical bind in one of the conveyors.
Cycle power off and on if fault message
persist; contact your Maintenance person
or Authorized Service Agency for service.
Defective Motor
Damaged Ball Bearing(s).
Drive chain or sprockets are damaged.
Failed Display Board.
Failed I/O Board.
Unit displays error message:
“Internal Error. Power Plug:
Out/In”.
Internal board error.
Turn unit off and unplug . Plug unit back in,
Turn unit on and if error persists; contact
your Maintenance person or Authorized
Service Agency for service.
Unit displays error message:
“Control Temperature Fail.
Toaster Shut Down”.
Followed
by a cool down cycle. The
control compartment’s ambient
temperature is above 60°C
(140°C).
Cooling Fan(s) are dirty and need to be
cleaned.
Verify vents on toaster are unblocked and
not near other heating appliances. Clean
fans describe in the Maintenance section of
this manual. If error persists contact your
maintenance person or Authorized Service
Agency for service.
Failed Cooling Fan(s).
Failed Display Board.
Failed I/O Board.
NOTE:
This section covers Display Troubleshooting
Troubleshooting
WARNING
To avoid possible personal injury and/or damage to the unit, inspection, test and repair of electrical equipment should be
performed by qualified service personnel. The unit should be unplugged when servicing, except when electrical tests are
required.
If the troubleshooting steps listed do not solve your machine problem, contact an Authorized Service Agency for further
assistance or service.
