TROUBLESHOOTING
WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.
CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit.
Note: All troubleshooting items are listed in order of operation.
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | |||
|
|
|
|
| |
When ignitor button is pressed, | 1. Ignitor electrode not con- | 1. | Reconnect ignitor cable | ||
there is no spark at ODS/pilot |
| nected to ignitor cable | 2. | Free ignitor cable if pinched | |
| 2. | Ignitor cable pinched or wet | |||
|
|
|
| by any metal or tubing. Keep | |
|
|
|
| ignitor cable dry | |
| 3. | Broken ignitor cable | 3. | Replace ignitor cable | |
| 4. | Bad ignitor | 4. | Replace ignitor | |
| 5. | Ignitor electrode positioned | 5. | Replace pilot assembly | |
|
| wrong | 6. | Replace pilot assembly | |
| 6. | Ignitor electrode broken | |||
| 7. | Battery not installed, battery | 7. | Install new alkaline battery | |
|
| power low, or battery not |
| in electronic ignitor. Verify | |
|
| installed correctly |
| battery is installed correctly | |
When ignitor button is pressed, there is spark at ODS/pilot but no ignition
1.Gas supply turned off or equip- ment shutoff valve closed
2.Control knob not in PILOT position
3.Control knob not pressed in while in PILOT position
4.Air in gas lines when in- stalled
5.Depleted gas supply (pro- pane/LP only)
6.ODS/pilot is clogged
7.Gas regulator setting is not correct
1.Turn on gas supply or open equipment shutoff valve
2.Turn control knob to PILOT position
3.Press in control knob while in PILOT position
4.Continue holding down con- trol knob. Repeat igniting op- eration until air is removed
5.Contact local propane/LP gas company
6.Clean ODS/pilot (see Cleaning and Maintenance, page 19) or replace ODS/pilot assembly
7.Replace gas regulator
20 | www.desatech.com |