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 and start |
| heater power cord for breaks. |
switch depressed. | 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. |
|
|
|
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: | 4.32mm (.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 |
|
Heater shuts down | High surrounding air tem- |
while running. | perature causing thermal |
| limit device to shut down |
| heater. |
| Restricted air flow |
This can happen when running heater in temperatures above 29°C (85°F). Run heater in cooler temperatures.
Check heater inlet and outlet. Remove any obstructions.
10
Damaged fan
Excessive dust or debris in surrounding area
Replace fan. See Fan, page 12.
WARNING
Use only in areas free of high dust content.
Clean heater. See Mainte- nance, page 9.
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