Troubleshooting - Wittco IS Series Installation & Operation Manual

IS & RT SERIES OVENS
SYMPTOMS
Oven not operating
Indicator Lights are lit but
Cooling Fan(s) are NOT
operating
Oven compartment IS heating
and Blower Motor IS NOT
operating with Power Switch
ON
Oven compartment IS NOT
heating and Blower Motor IS
operating with Power Switch
ON
Incorrect oven temperature

TROUBLESHOOTING

POSSIBLE CAUSES
Oven not connected to
power source
ON/OFF switch not
ON
No power
Oven is below 150⁰F.
Defective: connection,
wiring, fan, thermostat
Defective connection or
wiring to motor
Defective Cooking
Tem perature
Therm os tat
Defective Holding
Tem perature
Therm os tat
Defective High-Limit
Thermostat or Heating
Element.
Thermostat(s) require
calibration
21
REMEDY
Connect oven to power
source
Press Power ON/OFF switch
to ON
Check circuit breaker
This is normal when unit is
cold. If unit is above 150⁰F.,
Contact Authorized Service
Provider.
Contact Authorized Service
Provider
Contact Authorized Service
Provider
Set Cooking Thermostat to 250⁰F.,
w ait several minutes and check
the rear of the oven f or heating.
Both the Pow er Sw itch and
Cooking Temperature Indicator
Lights w ill be lit. If oven cavity
does not heat, Contact Authorized
Service Provider
Turn Holding Temperature knob to
250⁰F. and check f or heat at rear
of oven cavity. Both the Pow er
Sw itch and Cooking Temperature
Indicator Lights w ill be lit. If the
oven cavity does not heat, Contact
Authorized Service Provider.
Contact Authorized Service
Provider
Contact Authorized Service
Provider
F-41163 (07-12)