TROUBLE- SHOOTING
!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 | No electrical power | Check voltage to electrical out- |
when heater is | to heater | let. If voltage is good, check |
plugged in. |
| heater power cord for breaks. |
| Fan hitting inside of | Adjust motor/fan guard to keep |
| heater shell | fan from hitting inside of heater |
|
| shell. Bend fan guard if neces- |
|
| sary. |
| Fan blades bent | Replace fan. See Fan, page 12. |
| Defective motor | Replace motor. See Motor, |
|
| page 11. |
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Heater will not | User did not follow instal- | Repeat installation and opera- |
ignite. | lation or operation in- | tion instructions. See Installa- |
| structions properly | tion, page 6 and Operation, |
|
| page 7. |
| No spark at ignitor. To | A) Check ignitor wire. Tighten |
| test for spark, follow step | or reattach loose ignitor wire. |
| 9 under Ignitor, page 13. | See Figure 13, page 13 for igni- |
| If you see spark at ignitor, | tor wire location. |
| have heater serviced by | B) Set gap between ignitor |
| qualified service person. | electrode and target plate to |
| If no spark seen: | .17". |
| A) Loose or disconnected | C) Tighten nut holding piezo |
| ignitor wire | ignitor to base of heater. |
| B) Wrong spark gap | D) Replace ignitor electrode. |
| C) Piezo ignitor loose | See Ignitor, page 13. |
| D) Bad ignitor electrode |
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Heater shuts down while running.
High surrounding air tem- perature causing thermal limit device to shut down heater.
Restricted air flow
This can happen when running heater in temperatures above 85°F. Run heater in cooler tem- peratures.
Check heater inlet and outlet. Remove any obstructions.
10
Damaged fan | Replace fan. See Fan, page 12. |
Excessive dust or debris | Clean heater. See Mainte- |
in surrounding area | nance, page 9. |
!WARNING
Use only in areas free of high dust content.
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