Desa RM60 owner manual Troubleshooting, Dirty fuel filter, Obstruction in nozzle, Filter

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OWNER’S MANUAL

TROUBLESHOOTING

Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com.

WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

FAULT CONDITION

POSSIBLE CAUSE

REMEDY

Motor does not start five seconds after heater

1. No power to heater

1. Check circuit breaker in electrical panel

is plugged in

 

 

WARNING: High voltage!

2.Bad electrical connection between mo- tor and ignition control assembly or ig- nition control assembly and power cord

3.Blown fuse on ignition control assembly

4.Binding pump rotor

5.Defective ignition control assembly

6.Defective motor

2.Check all electrical connections. See Wiring Diagrams, page 10

3.See Ignitor, page 7

4.If fan does not turn freely, see Pump Ro- tor, page 8

5.Replace ignition control assembly

6.Replace motor

Motor starts and runs but heater does not

1.

No fuel in tank

1.

Fill tank with kerosene

ignite

2.

Pump pressure incorrect

2.

See Pump Pressure Adjustment, page 6

 

3.

Dirty fuel filter

3.

See Fuel Filter, page 7

 

4.

Obstruction in nozzle

4.

See Nozzle Assembly, page 8

 

5.

Water in fuel tank

5.

Drain and flush fuel tank with clean

 

 

 

 

kerosene. See Storing, Transporting, or

 

 

 

 

Shipping, page 4

WARNING: High voltage!

6.Bad electrical connection between igni- tor and ignition control assembly

7.Defective ignitor

8.Defective ignition control assembly

6.Check electrical connections. See Wir- ing Diagrams, page 10

7.Replace ignitor, see page 7

8.Replace ignition control assembly

Heater ignites but ignition control assembly

1.

Pump pressure incorrect

1.

See Pump Pressure Adjustment, page 6

shuts heater off after a short period of time

2.

Dirty air intake, air output, and/or lint

2.

See Air Output, Air Intake, and Lint Fil-

 

 

filter

 

ters, page 6

 

3.

Dirty fuel filter

3.

See Fuel Filter, page 7

 

4.

Obstruction in nozzle

4.

See Nozzle Assembly, page 8

 

5.

Photocell assembly not properly in-

5.

Make sure photocell boot is properly

 

 

stalled (not seeing the flame)

 

seated in bracket

 

 

 

 

 

 

 

 

 

WARNING: High voltage!

 

 

 

 

 

 

 

 

 

6.

Dirty photocell lens

6.

Clean photocell lens

 

7.

Bad electrical connection between pho-

7.

Check electrical connections. See Wir-

 

 

tocell and ignition control assembly

 

ing Diagrams, page 10

 

8.

Defective photocell

8.

Replace photocell

 

9.

Defective ignition control assembly

9.

Replace ignition control assembly

www.desatech.com

104672

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Contents Portable Forced AIR Heater Unpacking Safety InformationFueling Fueling of heating unitsVentilation Product Identification FuelsTheory of Operation Storing TRANSPORTING, or Shipping Preventative Maintenance ScheduleOperation Water in fuel tank Drain and flush fuel tank with clean TroubleshootingDirty fuel filter Obstruction in nozzlePump Pressure Adjustment Service ProceduresUpper Shell Removal FANIgnitor Carefully remove replacement ignitor from styrofoam packingFuel Filter Pump Rotor Nozzle AssemblyTechnical Service SpecificationsReplacement Parts Parts Under WarrantyIgnition Control Assembly Wiring DiagramsAccessories RM60 Illustrated Parts BreakdownNumber Description QTY Parts ListLimited Warranty Warranty and Repair Service

RM60 specifications

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