Cres Cor CO151FUA12B-Q1, RO151FUA18B-Q1, CO151FPUA12B-Q1, RO151F1332B-Q1 TROUBLE-SHOOTING Guide

Page 7

5925 Heisley Road • Mentor, OH 44060-1833

Ovens with

FL-2269

Microprocessor Controls

Rev. 10 (6/08)

Page 7 of 13

 

 

MAINTENANCE INSTRUCTIONS

TROUBLE-SHOOTING GUIDE (continued)

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

1.

Fuse

1.

Replace

 

2.

Control

2.

Replace

Cabinet does not heat, or doesn’t heat

3. Sensor

3.

Replace

properly

4.

Heater contactor

4.

Replace

 

5.

Loose wiring at heater contactor

5.

Replace

 

6.

On/Off Switch

6.

Replace

 

1.

On/Off Switch

1.

Replace

Blowers do not operate

2.

Fuse

2.

Replace

3.

Blower

3.

Replace

 

 

4.

Control

4.

Replace

Heater will not shut off

1.

Control defective

1.

Replace

 

1.

Vent fan switch defective

1.

Replace

Vent fans do not shut off

2.

Wait until it cools

2.

Control compartment is still hot.

 

Check “Heater will not shut off”

 

 

 

 

1.

Fuse

1.

Replace

Vent fans do not operate (See Note)

2.

Vent fan switch defective

2.

Replace

 

3.

Vent fan defective

3.

Replace

Control will not switch from “COOK” to

1. Oven is in “PROBE” mode.

1.

Switch to “TIMED” mode

“HOLD” (timed mode)

2.

Control defective

2.

Replace

Control will not switch from “COOK” to

1.

Oven is in the “TIMED” mode

1.

Switch to “PROBE” mode

2.

Probe not plugged in

2.

Plug in probe

“HOLD” (probe mode)

3.

Control defective

3.

Replace

 

 

 

 

 

 

 

1.

Oven in “TIMED” mode

1.

Switch to “PROBE” mode

Control will not switch to “COOK” (probe

2.

Probe temperature setting lower than

2.

Set probe temperature to

 

probe temperature

 

desired temperature

mode)

 

 

3.

Probe not plugged in

3.

Plug in probe

 

 

4.

Control defective

4.

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.

Call Toll-free: 877-CRES COR (273-7267) • Fax: 800-822-0393 • www.crescor.com

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Contents Heisley Road Mentor, OH Table of Contents Venting Your Oven Installation InstructionsOperating Instructions Installation InstructionsOperating Instructions If hot unit is not working, first check the following causes Maintenance InstructionsHOW to Clean the Unit Cleaning HintsTROUBLE-SHOOTING Guide Hot Unit Replacement Parts Replacement PartsItem Description Full Size Cabinet Replacement Parts Replacement PartsHalf Size Cabinet Replacement Parts For Ovens CO or RO151F Series For PASS-THRU Ovens CO or RO151FPUA Series Single Phase Wiring DiagramOperating Instructions For Ovens with Optional Product Keys Extra Replacement Parts