TROUBLE- SHOOTING
OBSERVED | POSSIBLE |
|
PROBLEM | CAUSE | REMEDY |
|
|
|
Continued
When ignitor button is pressed, there is spark at ODS/pilot but no ignition
1.Gas supply turned off or manual 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 installed
5.ODS/pilot is clogged
6.Gas regulator setting is not correct
1.Turn on gas supply or open manual shutoff valve
2.Turn control knob to PILOT position
3.Press in control knob while in PILOT position
4.Continue holding down control knob. Repeat igniting operation until air is removed
5.Clean ODS/pilot (see Cleaning and Mainte- nance, page 27) or replace ODS/pilot assembly
6.Replace gas regulator
28
ODS/pilot lights but | 1. | Control knob not fully | 1. | Press in control knob |
flame goes out when |
| pressed in |
| fully |
control knob is | 2. | Control knob not | 2. | After ODS/pilot lights, |
released |
| pressed in long enough |
| keep control knob |
|
|
|
| pressed in 30 seconds |
| 3. | Manual shutoff valve | 3. | Fully open manual shut- |
|
| not fully open |
| off valve |
| 4. | Thermocouple connec- | 4. | Hand tighten until snug, |
|
| tion loose at control |
| then tighten 1/4 turn |
|
| valve |
| more |
| 5. | Pilot flame not touching | 5. | A) Contact local natural |
|
| thermocouple, which |
| gas company |
|
| allows thermocouple to |
|
|
|
| cool, causing pilot flame |
| B) Clean ODS/pilot (see |
|
| to go out. This problem |
| Cleaning and Mainte- |
|
| could be caused by one |
| nance, page 27) or |
|
| or both of the following: |
| replace ODS/pilot |
|
| A) Low gas pressure |
| assembly |
|
| B) Dirty or partially |
|
|
|
| clogged ODS/pilot |
|
|
| 6. | Thermocouple damaged | 6. | Replace thermocouple |
| 7. | Control valve damaged | 7. | Replace control valve |
| 8. | On thermostat models, | 8. | Wait one minute for |
|
| safety interlock system |
| safety interlock system |
|
| has been triggered |
| to reset. Repeat ignition |
|
|
|
| operation |
102665
