Desa B350CEA High Voltage, Trouble- Shooting, Continued, Observed, Problem, Possible Cause

Page 12
Pump Pressure Adjustment,

TROUBLE- SHOOTING

OBSERVED

 

 

PROBLEM

POSSIBLE CAUSE

REMEDY

Continued

Heater will not ignite, but motor runs for a short period of time.

1.A) Fuel tank empty

B)Water in fuel

C)Wrong fuel

1.A) Add fuel to tank.

B)Check fuel tank for bubbles of water in bottom. If found, remove fuel (see Storage, page 9). Clean tank and fuel filters (see Fuel Filters, page 17). Fill with clean fuel.

C)Remove wrong fuel (see Storage, page 9). Clean tank and fuel filters (see Fuel Filters, page 17). Fill with correct fuel.

12

2.

Dirt in nozzle

2.

Replace nozzle (see Nozzle,

 

 

 

page 15).

3.

Very low temperature

3.

Move heater to warmer place

 

may cause fuel to thicken

 

until fuel flows freely.

 

and not flow

 

 

4.

Dirty fuel filters

4.

Clean fuel filters (see Fuel

 

 

 

Filters, page 17).

5.

Wrong pump pressure

5.

Adjust pump pressure (see

 

 

 

Pump Pressure Adjustment,

 

 

 

page 16).

6.

Spark plug wire discon-

6.

Connect spark plug wire to

 

nected from plug

 

spark plug.

7.

Spark plug problems due

7.

A) Adjust electrode gap to

 

to:

 

.055" (1.4 mm) (see Spark

 

A) Wrong gap

 

Plug, page 15).

 

B) Plug wet with fuel

 

B) Clean fuel from spark

 

C) Carbon deposits on

 

plug with clean, soft cloth.

 

plug

 

C) Replace plug if heavily

 

D) Damaged plug

 

coated with carbon (see

 

 

 

Spark Plug, page 15).

 

 

 

D) Inspect plug for worn or

 

 

 

eroded electrodes. If found,

 

 

 

replace plug (see Spark Plug,

 

 

 

page 15).

8.

Solenoid valve not

8.

Check electrical connections

 

opening

 

and voltage to solenoid. If

 

 

 

good, replace solenoid valve.

High Voltage! WARNING

High Voltage!

9. Damaged electronic ignitor 9. Replace electronic ignitor.

103807

Image 12
Contents Model B350CEA Heater Size 340,000 Btu/Hr HIGH PRESSURE PORTABLE FORCED AIR HEATER350 SIDE PFA/PV CONTENTS SAFETY INFORMATION WARNINGSDANGER SECTIONSAFETY INFORMATION WARNINGS ContinuedContinued UNPACKING ASSEMBLY PRODUCT IDENTIFICATIONTOOLS NEEDED ASSEMBLY ContinuedFigure 2 - Wheel and Handle Assembly THEORY OF OPERATIONFUELS VENTILATION Fresh Air Opening Requirements340,000 Btu/Hr 10.5OPERATION To Start HeaterSTORING TRANSPORTING, OR SHIPPINGTo Stop Heater To Restart HeaterPREVENTATIVE MAINTENANCE SCHEDULE How OftenHow To PROBLEM TROUBLE- SHOOTINGOBSERVED POSSIBLE CAUSEHigh Voltage PROBLEMPump Pressure Adjustment TROUBLE- SHOOTINGREMEDY PROBLEMTROUBLE- SHOOTING ContinuedSERVICE PROCEDURES Upper Shell RemovalFan Blades Figure 5 - Upper Shell RemovalSpark Plug NozzleFigure 7 - Spark Plug Removal Figure 8 - Spark Plug GapPump Pressure Adjustment PumpFuel Lines Procedure if pump is bindingFuel Filters A. Tank Fuel FilterB. Pump Fuel Filter Figure 15 - Removing Tank Fuel FilterWIRING ACCESSORYDIAGRAM PARTS LIST Burner Head AssemblyMotor and Pump Assembly DESCRIPTIONILLUSTRATED PARTSBREAKDOWN PARTS LIST EC CONFORMITY DECLARATION EC CONFORMITY DECLARATION DESA Europe B.VInnsbruckweg 144, NL-3047AH Postbus NL-3004ED Rotterdam Holland ManufacturerPage WARRANTY AND REPAIR SERVICE EQUIPMENT - LIMITED 90 DAY WARRANTYCERTIFICATE OF GENERAL WARRANTY SERVICE