TROUBLESHOOTING

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

OBSERVED FAULT

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Fan does not turn when

1.

No electrical power to heater

1.

Check voltage to electrical outlet. If

heater is plugged in

 

 

 

voltage is good, check heater power

 

 

 

 

cord for breaks

 

2.

Fan hitting inside of heater

2.

Adjust motor/fan mount to keep fan

 

 

shell

 

from hitting inside of heater shell. Bend

 

 

 

 

fan mount if necessary

 

3.

Fan blades bent

3.

Replace fan. See Fan, page 9

 

4.

Defective motor

4.

Replace motor. See Motor, page 8

 

 

 

 

 

Heater will not ignite

1.

User did not follow installa-

1.

Repeat installation and operation

 

 

tion or operation instructions

 

instructions. See Installation, page 4

 

 

properly

 

and Operation, page 5

 

2.

No spark at ignitor. To test for

2.

A) Check ignitor wire. Tighten or

 

 

spark, follow step 8 under Ig-

 

reattach loose ignitor wire. See Figure

 

 

nitor, page 10. If you see spark

 

10, page 9 for ignitor wire location

 

 

at ignitor, have heater serviced

 

B) Set gap between ignitor electrode and

 

 

by qualified service person. If

 

target plate to .13"/.15" (3.3 a 3.8 mm)

 

 

no spark seen:

 

C) Replace ignitor electrode. See

 

 

A) Loose or disconnected

 

Ignitor, page 10

 

 

ignitor wire

 

D) Replace spark transformer. See

 

 

B) Wrong spark gap

 

Spark Transformer, page 9

 

 

C) Bad ignitor electrode

 

 

 

 

D) Bad spark transformer

 

 

Heater shuts down while 1. Propane supply may be inad-

running

equate

2.

High surrounding air tem-

 

perature causing thermal limit

 

device to shut down heater.

3.

Restricted air flow

4.

Damaged fan

5.

Excessive dust or debris in

 

surrounding area

1.A) Refill tank

B)Provide additional and/or larger tanks. See Propane Supply, page 4

2.This can happen when running heater in temperatures above 85°F. Run heater in cooler temperatures

3.Check heater inlet and outlet. Re- move any obstructions

4.Replace fan. See Fan, page 8

5.Clean heater. See Maintenance, page 5

WARNING: Use only in areas free of high dust content.

Heater producing odor

1.

Gas leak

 

2.

Heater operating on a 20lb. pro-

 

 

pane/LP cylinder. Insufficient

 

 

propane/LPgas will be supplied by

 

 

a 20lb. cylinder resulting in odor

 

3.

Propane/LP supply tank is

 

 

"freezing up". Evaporation

 

 

and consumptioin rate of pro-

 

 

pane from supply tank is to

 

 

great for the size of the tank

 

 

and air temperature

1, Check all connections for leaks. Ap- ply mixture of liquid soap and water to gas joints. Bubbles forming show a leak that must be corrected

2.To obtain correct mixture of propane/ LP gas and air, use a larger cylinder size, i.e. 40 lb.(minimum) or 100 lb. See Propane Supply, page 4

3.A) Use a larger supply cylinder size, i.e. 40 lb. (minimum) or 100 lb.

B) Reduce consumption rate by op- erating the heater at "LOW" setting temorarily until frost disappears from the tank

111710-01B

www.desatech.com

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Desa RLP100 owner manual Troubleshooting, Observed Fault Possible Cause Remedy

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