![TROUBLESHOOTING](/images/new-backgrounds/45758/4575815x1.webp)
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 | ||
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Fan does not turn when heater is | 1. | No electrical power to heater | 1. | Check voltage to electrical |
plugged in |
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| outlet. If voltage is good, check |
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| heater power cord for breaks |
| 2. | Fan hitting inside of heater | 2. | Adjust motor/fan mount to |
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| 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 6 |
| 4. | Defective motor | 4. | Replace motor |
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Heater will not ignite | 1. | User did not follow installa- | 1. | Repeat installation and operation |
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| tion or operation instructions |
| instructions. See Installation, |
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| properly |
| page 4 and Operation, page 5 |
| 2. | No spark at ignitor. See Ig- | 2. | A) Check ignitor wire. Tighten |
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| nitor, page 7. If you see spark |
| or reattach loose ignitor wire. |
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| at ignitor, have heater serviced |
| B) Assure gap between ignitor |
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| by qualified service person. If |
| electrode and target plate is |
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| no spark seen: |
| 0.13"0/.15" (3.3/3.8 mm). Do |
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| A) Loose or disconnected |
| not bend electrode. Doing so |
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| ignitor wire |
| may cause it to break |
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| B) Wrong spark gap |
| C) Replace ignitor electrode |
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| C) Bad ignitor electrode |
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Heater shuts down while run- ning
WARNING: Use only in areas free of high dust content.
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 3
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 6
5.Clean heater. See Mainte- nance, page 6
TECHNICAL SERVICE
You may have further questions about this heater. If so, contact DESA Heating Productsʼ Technical Service Department at
You can also visit DESA Heating ProductsʼTechni- cal Service web site at www.desatech.com.
ACCESSORY
Purchase accessories and parts from your nearest dealer or service center. If your dealer or service center can not supply an accessory or part, call DESA Industriesʼ Parts Department at
THERMOSTAT - HA1210
8 | www.desatech.com |