TROUBLE- |
| OBSERVED | POSSIBLE | REMEDY |
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| PROBLEM | CAUSE |
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SHOOTING |
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| When control knob is | 1. | Gas supply turned off or | 1. | Turn on gas supply or |
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Continued |
| pressed in and turned |
| manual shutoff valve |
| open manual shutoff |
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| to the PILOT/IGN |
| closed. |
| valve. |
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| position, there is spark | 2. | Control knob not fully | 2. | Fully | press in control |
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| at ODS/pilot but no |
| pressed in while being |
| knob while turning to PI- |
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| ignition |
| turned to PILOT/IGN |
| LOT/IGN position (non- |
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| stat model only). |
| position |
| thermostat models only). |
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| models only). |
| Fully press in thermostat |
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| When ignitor button is |
| Thermostat control knob |
| control knob while press- |
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| pressed in, there is a |
| not fully pressed in while |
| ing ignitor button (ther- |
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| spark at ODS/pilot but |
| pressing ignitor button |
| mostat models only). |
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| no ignition (thermo- |
| (thermostat models only). |
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| stat models only). | 3. | Air in gas lines when | 3. | Continue holding down |
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| installed. |
| control knob. Repeat |
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| igniting operation until |
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| air is removed. |
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| 4. | ODS/pilot is clogged. | 4. | Clean ODS/pilot (see |
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| Cleaning and Mainte- |
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| nance, page 26) or |
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| replace ODS/pilot |
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| assembly. |
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| 5. | Gas regulator setting is | 5. | Replace gas regulator. |
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| not correct. |
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| 6. | Thermostat control knob | 6. | Turn thermostat control |
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| not in pilot position |
| knob to pilot position. |
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| (thermostat models only). |
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| ODS/pilot lights but | 1. | Control knob not fully | 1. | Press in control knob |
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| flame goes out when |
| pressed in. |
| fully. |
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| control knob is | 2. | Control knob not pressed | 2. | After ODS/pilot lights, |
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| released |
| in long enough. |
| keep control knob |
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| pressed in 30 seconds. |
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| 3. | Manual shutoff valve not | 3. | Fully open manual shut- |
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| fully open. |
| off valve. |
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| 4. | Thermocouple connection | 4. | Hand tighten until snug, |
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| loose at control valve. |
| then tighten 1/4 turn |
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| more. |
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| 5. | Pilot flame not touching | 5. | A) Contact local natural |
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| thermocouple, which |
| gas company. |
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| allows thermocouple to |
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| cool, causing pilot flame | B) Clean ODS/pilot (see |
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| to go out. This problem |
| Cleaning and Mainte- |
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| could be caused by one or |
| nance, page 26) or |
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| both of the following: |
| replace ODS/pilot |
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| A) Low gas pressure |
| assembly. |
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| B) Dirty or partially |
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| clogged ODS/pilot |
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| 6. | Thermocouple damaged. | 6. | Replace thermocouple. |
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| 7. | Control valve damaged. | 7. | Replace control valve. |
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| 8. | Safety interlock system | 8. | Wait | one minute for |
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| has been triggered |
| safety | interlock system |
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| (thermostat models only). |
| to reset. Repeat ignition |
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| operation. |
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| Continued |
| 27 |
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100750
