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 PROBLEM | POSSIBLE CAUSE | REMEDY | |
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Fan does not turn when heater | 1. No electrical power to heater | 1. | Check voltage to electrical |
is plugged in |
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| outlet. If voltage is good, |
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| check heater power cord for |
| 2. Fan hitting inside of heater |
| breaks |
| 2. | Adjust motor/fan mount to | |
| shell |
| keep fan from hitting inside of |
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| heater shell. Bend fan mount |
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| if necessary |
| 3. Fan blades bent | 3. | Replace fan. See Fan, page 8 |
| 4. Defective motor | 4. | Replace motor. See Motor, |
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| page 8 |
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Heater will not ignite | 1. User did not follow installa- | 1. | Repeat installation and opera- |
| tion or operation instructions |
| tion instructions. See Instal- |
| properly |
| lation, page 4 and Operation, |
| 2. No spark at spark plug. To test |
| page 5 |
| 2. | A) Check spark plug wire. | |
| for spark, follow step 8 under |
| Tighten or reattach loose spark |
| Spark Plug, page 9. If you see |
| plug wire. See Figure 8, page 9 |
| spark at spark plug, have heater |
| for spark plug wire location |
| serviced by qualified service |
| B) Replace spark plug. See |
| person. If no spark seen: |
| Spark Plug, page 9 |
| A) Loose or disconnected |
| C) Replace spark transformer. |
| spark plug wire |
| See Spark Transformer, page 9 |
| B) Bad spark plug |
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| C) Bad spark transformer |
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Heater shuts down while run- ning
1.Propane supply may be inad- 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 (29° C). Run heater in cooler temperatures
3.Check heater inlet and outlet. Remove any obstructions
4.Replace fan. See Fan, page 8
5.Clean heater. See Mainte- nance, page 6
WARNING:Useonlyinareas free of high dust content.
www.desatech.com | 7 |
