Maintenance instructions trouble-shooting guide – Cres Cor RO151FWUA18B User Manual

Page 8

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Ovens Humidity with

Microprocessor Controls

FL-2267

Rev. 8 (1/05)

Page

8 of 13

5925 Heisley Road

Mentor, OH 44060-1833

877/CRES COR (273-7267)

440/350-1100

Fax: 440/350-7267

www.crescor.com

If unit gets too hot or won’t shut off, disconnect power at branch panel. DO
NOT
UNPLUG CORD!

If hot unit is NOT working, first check the following causes:

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.

PROBLEM POSSIBLE

CAUSE

SOLUTION

Cabinet does not heat, or
doesn’t heat properly

1. Fuse
2. Control
3. Sensor
4. Heater contactor
5. Loose wiring at heater contactor
6. On/Off Switch

1. Replace
2. Replace
3. Replace
4. Replace
5. Replace
6. Replace

Blowers do not operate

1. On/Off Switch
2. Fuse
3. Blower
4. Control

1. Replace
2. Replace
3. Replace
4. Replace

Heater will not shut off

1. Control defective

1. Replace

Vent fans does 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 shutoff”

Vent fans does not
operate

1. Fuse
2. Vent fan switch defective
3. Vent fan defective

1. Replace
2. Replace
3. Replace

Control will not switch
from “COOK” to “HOLD”
(timer mode)

1. Oven is in “PROBE” mode.
2. Control defective

1. Switch to “TIMED” mode
2. Replace

Control will not switch
from “COOK” to “HOLD”
(probe mode)

1. Oven is in the “TIMED” mode
2. Probe not plugged in
3. Control defective

1. Switch to “PROBE” mode
2. Plug in probe
3. Replace

Control will not switch to
“COOK” (probe mode)

1. Oven in “TIMED” mode
2. Probe temperature setting lower than
probe temperature
3. Probe not plugged in
4. Control defective

1. Switch to “PROBE” mode
2. Set probe temperature to
desired temperature
3. Plug in probe
4. Replace

No Humidity

1. Water element defective
2. Humidity control

1. Replace
2. Replace


NOTE:

Vent fans will not operate until the control compartment requires ventilation to limit

temperatures. Replacement of electrical components must be done by a qualified 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

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