Desa D30H, D44H, D20H owner manual Troubleshooting

Page 7

OWNER’S MANUAL

TROUBLESHOOTING

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 is plugged in

1. Check circuit breaker in electrical panel

WARNING: High voltage!

 

 

2.

Bad electrical connection between motor

2.

Check all electrical connections. See

 

 

 

and ignition control assembly or ignition

 

Wiring Diagram, page 13

 

 

 

control assembly and power cord

 

 

 

 

 

 

3.

Blown fuse on ignition control assembly

3.

See Ignition Control Assembly, page 13

 

 

4.

Binding pump rotor

4.

If fan does not turn freely, see Pump

 

 

 

 

 

 

Rotor, page 12

 

 

5.

Defective ignition control assembly

5.

Replace ignition control assembly

 

 

6.

Defective motor

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 10

 

 

3.

Dirty fuel filter

3.

See Fuel Filter, page 8

 

 

4.

Obstruction in nozzle assembly

4.

See Nozzle Assembly, page 11

 

 

5.

Water in fuel tank

5.

Drain and flush fuel tank with clean

 

 

 

 

 

 

kerosene. See Storing, Transporting, or

 

 

 

 

 

 

Shipping, page 6

 

 

 

 

 

 

 

 

 

 

WARNING: High voltage!

 

 

 

 

 

 

 

 

 

 

 

6.

Bad electrical connection between

6.

Check electrical connections. See Wiring

 

 

 

ignitor and ignition control assembly

 

Diagram, page 13

 

 

7.

Defective ignitor

7.

Replace ignitor, see page 9

 

 

8.

Defective ignition control assembly

8.

Replace ignition control assembly

 

 

 

 

 

 

 

 

 

 

Heater ignites but ignition control assembly

1.

Pump pressure incorrect

1.

See Pump Pressure Adjustment, page 10

 

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

 

 

 

filter

 

Filters, page 10

 

 

3.

Dirty fuel filter

3.

See Fuel Filter, page 8

 

 

4.

Obstruction in nozzle assembly

4.

See Nozzle Assembly, page 11

 

 

5.

Photocell assembly not properly

5.

Make sure photocell boot is properly

 

 

 

installed (not seeing the flame)

 

seated in bracket

 

 

 

 

 

 

 

 

 

WARNING: High voltage!

 

 

 

 

 

 

 

 

 

 

 

6.

Dirty photocell lens

6.

Clean photocell lens

 

 

7.

Bad electrical connection between

7.

Check electrical connections. See Wiring

 

 

 

photocell and ignition control assembly

 

Diagram, page 13

 

 

8.

Defective photocell

8.

Replace photocell

 

 

9.

Defective ignition control assembly

9.

Replace ignition control assembly

105843

7

Image 7
Contents Portable Forced AIR Heaters D20H, D30H and D44H Models Portable Forced AIR Heaters Safety InformationFuels Product Identification UnpackingVentilation AssemblyTools Needed To Stop Heater To Reset HeaterTheory Operation To Start HeaterHow Often How To Preventative MaintenanceStoring TRANSPORTING, or Shipping ScheduleTroubleshooting D20H Model Service ProceduresUpper Shell Removal Fuel FilterIgnitor Disconnecting Ignitor Wires from Ignition Control AssemblyAIR OUTPUT, AIR INTAKE, and Lint Filters Pump Pressure AdjustmentFuel and AIR Line Replacement Proper Routing Nozzle AssemblyPump Rotor Procedure if Rotor is BindingProcedure for Replacing Fuse SpecificationsWiring Diagram Ignition Control AssemblyIllustrated Parts Breakdown Motor and Pump AssemblyD20H Model Number Description QTY Parts ListD30H Model KEY Part Number Description QTY D44H Model Desired part D44H ModelAIR Gauge KIT HA1180 AccessoriesIgnition Control ASSEMBLY/PHOTOCELL Tester HA1170 Wheels and HandlesEC Conformity Declaration EC Conformity DeclarationWarranty Information