Vermont Castings VCBVTN/TP & VCPVTN/TP Room Heater
Troubleshooting
Problem |
| Possible Cause |
| What To Do | |
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When control knob is pressed | 1. | Ignitor electrode positioned wrong. | 1. | Replace ignitor electrode. | |
in and turned counterclockwise | 2. | Ignitor electrode broken. | 2. | Replace electrode. | |
to ignition, there is no spark at | 3. | Ignitor cable pinched or broken. | 3. | Free ignitor cable, if damaged | |
ODS pilot. |
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| replace. | |
| 4. | Ignitor cable not connected to ignitor | 4. | Connect cable to electrode. | |
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| electrode. |
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When control knob is pressed | 1. | Gas supply turned off. | 1. | Turn gas supply on. |
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in and turned counterclockwise | 2. | Control knob not in pilot position. | 2. | Turn control knob to pilot position. | |
to ignition/pilot position, there | 3. | Control knob not pressed in while in | 3. | Press in control while in pilot | |
is spark but no ignition. |
| pilot position. |
| position. | |
| 4. | ODS pilot is clogged. | 4. | Call a qualified service technician. | |
| 5. | Air in gas lines. | 5. | Purge gas lines and repeat ignition | |
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| operation. | |
ODS pilot lights but flame goes | 1. | Control knob not pressed long | 1. | After ODS pilot lights, keep control | |
out when control knob is |
| enough. |
| knob pressed in approximately 30 | |
released. |
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| seconds. | |
| 2. | Safety interlock is triggered. | 2. | Wait one minute, repeat ignition | |
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| operation. | |
| 3. | Pilot flame not touching the thermo- | 3. | Contact your gas company, gas | |
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| couple. Problem could be result of |
| supplier or qualified service | |
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| one or both of the following: |
| technician. | |
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| • Partially clogged ODS pilot orifice. |
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| • Low gas pressure. | 4. | Replace thermocouple. | |
| 4. | Thermocouple damaged. | |||
| 5. | Thermocouple connection loose at | 5. | Hand tight until snug then tighten | |
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| gas control valve. |
| 1/4 turn with a wrench. | |
| 6. | Gas control valve damaged. | 6. | Replace gas control. | |
Burner does not light after ODS | 1. | Burner orifice clogged. | 1. | Clean burner orifice. | |
pilot is lit. | 2. | Gas supply pressure is very low. | 2. | Contact gas supplier. | |
Delayed ignition. | 1. | Main burner carry over ports | 1. | Clean main burner ports. | |
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| clogged. | 2. | Contact gas supplier. | |
| 2. | Gas supply pressure is very low. | |||
Burner backfiring during | 1. | Burner orifice is clogged or clogged. | 1. | Clean or replace burner orifice. |
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operation. | 2. | Burner damaged. | 2. | Replace burner. | |
| 3. | Gas regulator defective. | 3. | Replace gas regulator. | |
Yellow flames during burner | 1. Not enough air. | 1. Check air passageways and | |||
operation. (VCBV) |
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| burner for dirt and debris. (Refer to | |
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| Maintenance section.) | |
Burner plaque(s) does not | 1. | Plaque(s) is damaged. | 1. | Replace burner. | |
glow. (VCPV) | 2. | Inlet gas pressure is too low. | 2. | Contact local gas supplier. | |
| 3. | Control knob set between locked | 3. | Turn control knob until it locks at | |
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| positions. |
| desired setting. | |
Slight smoke and odor during | 1. | Residues from manufacturing | 1. | Will stop after a few hours of | |
initial operation. |
| processes. |
| operation. | |
Heater produces a whistling | 1. | Air passageways blocked. | 1. | Check minimum installation | |
noise when burner is lit. |
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| clearances and air passageways | |
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| for debris. | |
| 2. | Air in gas line. | 2. | Operate burner until the air is | |
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| completely purged. | |
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