TROUBLE- SHOOTING
Continued
OBSERVED | POSSIBLE |
|
|
|
|
|
|
|
|
|
|
|
| |||
PROBLEM | CAUSE |
|
| REMEDY |
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
| |||||||||
Pilot lights but flame | 1. Manual shutoff | valve | 1. | Fully open manual shut- |
| |||||||||||
goes out when |
| not fully open. |
|
| off valve. |
|
|
|
|
|
|
| ||||
control knob is | 2. | Control knob not fully | 2. | Press | in control knob |
| ||||||||||
released. |
| pressed in. |
|
|
| fully. |
|
|
|
|
|
|
|
| ||
|
| 3. | Control | knob | not | 3. | After pilot lights, keep |
| ||||||||
|
|
| pressed in long enough. |
| control knob pressed in |
| ||||||||||
|
|
|
|
|
|
|
| 30 seconds. |
|
|
|
|
|
| ||
|
| 4. | Safety interlock system | 4. | Wait | one | minute | for |
| |||||||
|
|
| has been triggered. |
| safety interlock system |
| ||||||||||
|
|
|
|
|
|
|
| to reset. Repeat ignition. |
| |||||||
|
| 5. | Thermocouple connec- | 5. | Hand tighten until snug, |
| ||||||||||
|
|
| tion | loose | at control |
| then | tighten | 1/4 | turn |
| |||||
|
|
| valve. |
|
|
| more. |
|
|
|
|
|
|
| ||
|
| 6. | Pilot flame not touching | 6. | A) Contact | qualified |
| |||||||||
|
|
| thermocouple, which |
| service person to prop- |
| ||||||||||
|
|
| allows thermocouple to |
| erly adjust pilot flame. |
| ||||||||||
|
|
| cool, | causing | pilot |
| B) Contact local natural |
| ||||||||
|
|
| flame to go out. This |
| gas company. |
|
|
|
|
|
| |||||
|
|
| problem | could be |
| C) Clean pilot (see |
|
|
|
| ||||||
|
|
| caused by any or all of |
| Cleaning and Mainte- |
| ||||||||||
|
|
| the following: |
|
| nance, page 25) or |
|
|
|
| ||||||
|
|
| A) Improperly adjusted |
| replace pilot assembly. |
| ||||||||||
|
|
| pilot flame |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
| B) Low gas pressure |
|
|
|
|
|
|
|
|
|
| |||
|
|
| C) Dirty or partially |
|
|
|
|
|
|
|
|
|
| |||
|
|
| clogged pilot |
|
|
|
|
|
|
|
|
|
|
| ||
|
| 7. | Thermocouple damaged. | 7. | Replace thermocouple. |
| ||||||||||
|
| 8. | Control valve damaged. | 8. | Replace control valve. |
| ||||||||||
|
|
|
|
|
|
|
|
| ||||||||
Burner does not light | 1. Safety interlock system | 1. | Fully | depress | control |
| ||||||||||
after pilot is lit. |
| has been inadvertently |
| knob in any position other |
| |||||||||||
|
|
| triggered. |
|
|
| than | pilot | and | release. |
| |||||
|
|
|
|
|
|
|
| Wait | one | minute | for |
| ||||
|
|
|
|
|
|
|
| safety interlock system to |
| |||||||
|
|
|
|
|
|
|
| reset. Repeat ignition. |
| |||||||
|
| 2. | Burner orifice is |
| 2. | Clean burner (see Clean- |
| |||||||||
|
|
| clogged. |
|
|
| ing and Maintenance, |
| ||||||||
|
|
|
|
|
|
|
| page | 25) | or | replace |
| ||||
|
|
|
|
|
|
|
| burner orifice. |
|
|
|
|
|
| ||
|
| 3. | Burner orifice diameter | 3. | Replace burner orifice. |
| ||||||||||
|
|
| is too small. |
|
|
|
|
|
|
|
|
|
|
| ||
|
| 4. | Inlet gas pressure is too | 4. | Contact local | natural |
| |||||||||
|
|
| low. |
|
|
|
| gas company. |
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| |||||||||
Delayed ignition of | 1. Manifold pressure is too | 1. | Contact local | natural |
| |||||||||||
burner. |
| low. |
|
|
|
| gas company. |
|
|
|
|
|
| |||
|
| 2. | Burner orifice is |
| 2. | Clean burner (see Clean- |
| |||||||||
|
|
| clogged. |
|
|
| ing | and Maintenance, |
| |||||||
|
|
|
|
|
|
|
| page | 25) | or | replace |
| ||||
|
|
|
|
|
|
|
| burner orifice. |
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
| Continued |
|
|
|
| |||
|
|
|
|
|
|
|
|
|
| 27 |
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
100351
