Cres Cor CO151HWUA6B, RO151FWUA18B, RO151FW1332B Maintenance Instructions TROUBLE-SHOOTING Guide

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5925 Heisley Road • Mentor, OH 44060-1833 877/CRES COR (273-7267)440/350-1100 Fax: 440/350-7267 • www.crescor.com

Ovens Humidity with

FL-2267

Microprocessor Controls

 

Rev. 8 (1/05)

Page 8 of 13

MAINTENANCE INSTRUCTIONS TROUBLE-SHOOTING GUIDE

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.

3.

Switch is turned off.

2. Circuit breaker/fuse to wall outlet is blown.

4.

Thermostat is turned off, or is set too low.

 

 

 

 

 

PROBLEM

POSSIBLE CAUSE

 

 

SOLUTION

Cabinet does not heat, or

1.

Fuse

 

 

1.

Replace

doesn’t heat properly

2.

Control

 

 

2.

Replace

 

3.

Sensor

 

 

3.

Replace

 

4.

Heater contactor

 

 

4.

Replace

 

5.

Loose wiring at heater contactor

5.

Replace

 

6.

On/Off Switch

 

 

6.

Replace

Blowers do not operate

1.

On/Off Switch

 

 

1.

Replace

 

2.

Fuse

 

 

2.

Replace

 

3.

Blower

 

 

3.

Replace

 

4.

Control

 

 

4.

Replace

Heater will not shut off

1.

Control defective

 

 

1.

Replace

Vent fans does not shut

1.

Vent fan switch defective

 

1.

Replace

off

2.

Control compartment is still hot.

2.

Wait until it cools

 

 

 

 

 

Check “Heaters will not shutoff”

Vent fans does not

1.

Fuse

 

 

1.

Replace

operate

2.

Vent fan switch defective

 

2.

Replace

 

3.

Vent fan defective

 

 

3.

Replace

Control will not switch

1.

Oven is in “PROBE” mode.

 

1.

Switch to “TIMED” mode

from “COOK” to “HOLD”

2.

Control defective

 

 

2.

Replace

(timer mode)

 

 

 

 

 

 

Control will not switch

1.

Oven is in the “TIMED” mode

1.

Switch to “PROBE” mode

from “COOK” to “HOLD”

2.

Probe not plugged in

 

 

2.

Plug in probe

(probe mode)

3.

Control defective

 

 

3.

Replace

Control will not switch to

1.

Oven in “TIMED” mode

 

 

1.

Switch to “PROBE” mode

“COOK” (probe mode)

2.

Probe temperature setting lower than

2.

Set probe temperature to

 

probe temperature

 

 

desired temperature

 

3.

Probe not plugged in

 

 

3.

Plug in probe

 

4.

Control defective

 

 

4.

Replace

No Humidity

1.

Water element defective

 

1.

Replace

 

2.

Humidity control

 

 

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.

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Contents Microprocessor Controls Table of Contents LOW Water Light Installation InstructionsHOW to Install Cabinets HOW to Start Unit HOW to SET the Control for Timed Cook OperationCooking Temperature Holding TemperatureProbe Temperature Operating InstructionsOperating Instructions Maintenance Instructions HOW to Clean the Unit Soil Cleaner Method CabinetMaintenance Instructions TROUBLE-SHOOTING Guide Maintenance Instructions TROUBLE-SHOOTING GuideHOW to Adjust the Door Latch HOT Unit RemovalReplacement Parts Hot Unit Replacement PartsReplacement Parts For PASS-THRU Ovens CO or RO151FPWUA SeriesFor Ovens CO or RO151FPWUA Series Wiring Diagram