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TroubleshootingGuide Models 904/906
Section 7 Troubleshooting GuidePROBLEM PROBABLE CAUSE REMEDY PAGE
REF.
1. The unit will not operate. a. The power switch is in the
“OFF”position.
a. Place the power switch in the
“ON” position.
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b. The unit is unplugged. b. Plug unit into wall receptacle. 1
c. The oven door is open. c. Closethe oven door. -- --
d. The main power supply is off. d. Check the fuse box. -- --
e. The door switch is faulty. e. Contactservice technician. -- --
f. The power relay isfaulty. f. Contacts ervicetechnician. -- --
g. The power switch is faulty. g. Contactservice technician. -- --
2. The unit is on, but the
blower, carousel and
heaters will not operate.
a. The door interlock switch is
faulty.
a. Contact service technician. -- --
b. The power switch is faulty. b. Contactservice technician. -- --
c. The power relay is faulty. c. Contactservice technician. -- --
d. The hi-limit sw itch is faulty. d. Contact service technician. -- --
3. The unit is on, but will not
heat.
a. The temperature dial is not set
properly.
a. Adjust the temperature dialto
the desiredsetting.
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b. The thermostat is faulty. b. Contact service technician. -- --
c. The heater element is faulty. c. Contactservice technician. -- --
d. The high limit switch is open. d. Contactservice technician. -- --
4. The unit is on, but the
carousel does not turn.
a. The carousel drive is loose on
the gear motor shaft.
a. Properly install the carousel
drive.
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b. The gear motor is faulty. b. Contact service technician. -- --
c. The carousel is not installed
properly.
c. Install carousel according to
“Set-Up”procedures.
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d. The carousel is damaged. d. Contact a service technician
to replacethe carousel.
-- --
5. The unit is on, but the
blower motor does not
operate.
a. The blower is loose on the
motor shaft.
a. Contact service technician. -- --
b. The blower motor is faulty. b. Contacta service technician
to replacethe blower motor.
-- --