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5925 Heisley Road • Mentor, OH 44060-1833
Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com
Undercounter
Ovens
FL-2291
Rev. 3 (5/08) Page 6 of 10
PROBLEM POSSIBLE CAUSE SOLUTION
Humidity is low
1. Water in pan may be low
2. Thermostat set too low
1. Add water
2. Turn up thermostat
Cabinet does not heat,
or doesn’t heat properly
1. Thermostat
2. Heater relay
3. Loose wiring at heater relay
4. High-limit switch
5. On/Off Switch
1. Replace
2. Replace
3. Replace
4. Replace
5. Replace
Blowers do not operate
1. On/Off Switch
2. Blower
1. Replace
2. Replace
Heater will not shut off
1. Thermostat
2. Relay
1. Replace
2. Replace
Vent fans do not shut off
1. Vent fan switch defective
2. Control compartment is still hot.
1. Replace
2. Wait until it cools. Check
“Heaters will not shut off.”
NOTE: Vent fans will not operate until the control compartment requires ventilation to limit temperatures.
Replacement of electrical components must be done by a qualifi ed electrician.
Refer to our Service Agency list, FL-1400 (found in the back of this manual), of authorized service
centers. Instructions for replacing parts are included in replacement parts list.
MAINTENANCE INSTRUCTIONS:
TROUBLE-SHOOTING GUIDE
WARNING
IF UNIT GETS TOO HOT OR WON’T SHUT OFF, DISCONNECT
POWER AT BRANCH PANEL. DO NOT UNPLUG CORD!
1. Cord is unplugged from wall outlet.
2. Circuit breaker/fuse to wall outlet is blown.
3. Switch is turned off.
4. Thermostat is turned off, or is set too low.
If hot unit is NOT working, fi rst check the following causes: