VERTICAL CONTACT TOASTER
16
P/N 1010838 Rev. P 10/16
Burger King
TROUBLESHOOTING
WARNING
To avoid possible personal injury and/or damage to the unit, inspection, test and repair of electrical equip-
ment should be performed by qualified service personnel. The unit should be unplugged when servicing,
except when electrical tests are required. Use extreme care during electrical circuit tests. Live circuits will
be exposed.
Problem
Possible Cause
Corrective Action
Control Display flash-
es “
LO
” continuously.
Buns not toasting
properly.
Platen temperature is below 440ºF
(226ºC).
Allow the unit to warm up for 30 minutes and then
recheck. If the Control Display still reads “
LO
”,
contact your maintenance person or Authorized
Service Agency.
Failed Platen.
Failed Platen Solid State Relay.
Loose, burnt, or broken wires in
circuit.
Control Display
flashes “
LO
” continu-
ously.
Buns Burn.
Failed Platen Thermocouple.
Contact your maintenance person or Authorized
Service Agency.
Failed Control Board.
Temperature display
flashes “
PH
”
continuously.
The Heat Shield is not engaging the
Conveyor Safety Interlock Switch.
Reposition the Heat Shield so that it engages the
Conveyor Safety Interlock Switch.
Loose wiring between the phase
control and A/C isolator boards.
Contact your maintenance person or Authorized
Service Agency.
Control Display
flashes “
PO
”
continuously.
The power to the unit is below 190
Volts.
Turn the unit off and then back on. If problem
persists, check the power cord, plug, and outlet for
damage.
Failed Control Board.
Reset the Circuit Breakers.
Failed Transformer.
Contact your maintenance person, Authorized
Service Agency, or electrician.
Control Display
flashes “
CHEC
” con-
tinuously.
Control Compartment temperature is
above 140ºF.
Verify side vents on toaster are unblocked and not
near other heating appliances. After temperature
has dropped, turn the unit off, then back on to re-
start.If problem persists, contact your maintenance
person or Authorized Service Agency.
Failed Cooling Fan.
Failed Control Board.
Control Display
flashes “
HI
” continu-
ously.
Buns burn.
Failed Platen Solid State Relay.
Contact your maintenance person or Authorized
Service Agency.
Failed Control Board.
Failed Platen Thermocouple.
Control Display flash-
es “
HI
” continuously.
Buns not toasting
properly.
Loose Platen Thermocouple connec-
tion on Control Board or the Platen
Thermocouple is “open”.
Re-secure the Platen Thermocouple connection to
the Control Board. If problem persists, check the
Thermocouple for continuity.
Failed Control Board.
Contact your maintenance person or Authorized
Service Agency.
Control Display
flashes “
HI
” & “
LO
” at
cold start up, then “
HI
”
& “
USE
” after 20-30
minutes.
Auxiliary Thermocouple is discon-
nected or “open”.
Reattach or replace the Auxiliary Thermocouple. If
the Control Display still reads “
HI
” & “
LO
” or “
HI
” &
“
USE
”, check Thermocouple for continuity. Contact
your maintenance person or Authorized Service
Agency.
Control Display
flashes “
HI
” & “
USE
”.
Auxiliary Heating temperature ex-
ceeds 420°F (215°C).
After toaster has cooled down, turn the unit off, then
back on to restart. If problem persists, contact your
Authorized Service Agency.