Roundup VCT-250 - TROUBLESHOOTING; No Display; No light on Power Switch; Temperature display flashes PO.; Temperature display reads LOW.

RAPID TOASTER VCT-250
16
P/N 1010776 Rev. H 03/04
McDonald’s
RAPID TOASTER VCT-250
17
P/N 1010776 Rev. H 03/04
McDonald’s
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. Use extreme care during electrical circuit tests. Live circuits will be exposed.
Problem Possible Cause Corrective Action
No Display
No light on Power Switch
Unit not plugged in. Connect toaster to proper recep-
tacle.
Hi-Limit tripped. Reset Hi-Limit.
Circuit Breaker tripped Reset Circuit Breaker.
Power Cord and/or plug are dam-
aged.
Contact your maintenance person or
Authorized Service Agency.
Inoperable Rocker Switch (power
On/Off).
Temperature display flashes “PO.” Voltage to the unit is below 190
volts.
Turn the Rocker Switch (power On/
Off) to OFF, then ON. If the display
shows “PO” again, check the power
cord and plug receptacle for dam-
age.
Reset Circuit Breaker located at
store’s power panel.
Contact your maintenance person or
Authorized Service Agency.
Temperature display reads “LOW.” Platen temperature is below 420° F
(216° C).
Allow thirty minutes for warm up and
recheck display.
Contact your maintenance person or
Authorized Service Agency.
Temperature display flashes “HI” at
cold start.
Platen Thermocouple is disconnect-
ed or open.
Re-attach or replace Platen
Thermocouple.
Inoperable Control Board. Contact your maintenance person or
Authorized Service Agency.
Temperature display flashes “HI” and
“LO” at cold startup.
Auxiliary Thermocouple is discon-
nected or open.
After preheat time, display flashes
“HI” and “USE.”
Temperature display flashes ”HI” and
“USE” after unit has been preheated,
and Belt Wraps may start to smoke.
Auxiliary circuit overheating due to
auxiliary solid state relay shorted
closed.
Display reads “CHEC.” Ambient temperature in control com-
partment too high.
Turn toaster off and allow control
compartment to cool down to 140 F
(60 C) and restart toaster. Be sure
cooling fan is operating and nothing
is blocking the flow of cooling air to
the bottom of the toaster.