Desa 4E769B operating instructions Troubleshooting Chart

Page 12

Dayton Operating Instructions and Parts Manual

4E769B

Dayton® Propane

Construction Heater

Never attempt to service heater while it is connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.

Troubleshooting Chart

Symptom

Possible Cause(s)

Corrective Action

 

 

 

Fan does not turn when heater is plugged in

1.No electrical power to heater

2.Fan hitting inside of heater shell

3.Fan blades bent

4.Defective motor

1.Check voltage to electrical outlet. If voltage is good, check heater power cord for breaks

2.Adjust motor/fan guard to keep fan from hitting inside of heater shell. Bend fan guard if necessary

3.Replace fan. See Fan, page 8

4.Replace motor. See Motor, page 8

Heater will not ignite

1. User did not follow installation or

 

operation instructions properly

 

2. No spark at ignitor. To test for spark,

 

follow step 8 under Ignitor, page 9.

 

If you see spark at ignitor, have

 

heater serviced by qualified service

 

person. If no spark seen:

 

A) Loose or disconnected ignitor

 

wire

 

B) Wrong spark gap

 

C) Piezo ignitor loose

 

D) Bad ignitor electrode

1.Repeat installation and operation instructions. See Installation, page 6 and Operation, page 6

2.

A)Check ignitor wire. Tighten or reattach loose ignitor wire. See Figure 14, page 9 for ignitor wire location

B)Set gap between ignitor electrode and target plate to .17"

C)Tighten nut holding piezo ignitor to base of heater

D)Replace ignitor electrode. See Ignitor, page 9

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Contents Description UnpackingGeneral Safety Information Dayton Propane Construction HeaterSpecifications Electrical SpecificationsProduct Identification Theory of Operation Propane SupplyInstallation VentilationOperation To Start HeaterMaintenance StorageTo Stop Heater To Restart HeaterService Procedures Electrical SystemIgnitor For Replacement Parts, call Replacement Parts List Troubleshooting Chart Accessories 4E769B 4E769B Limited Warranty