Troubleshooting
SERVICE HINTS- OIL
Problem: If your furnace is not heating or giving enough heat.
| Cause: Thermostat is not set correctly |
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| Correction: Check to see that thermostat is set on "HEAT" position and heat | |
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| anticipator is set properly. Reset thermostat above room temperature. | ||
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| Cause: Burner is not firing properly |
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| Correction: Contact your local service man | |
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| Cause: No power to furnace |
| Correction: Check fuse or circuit breaker. If fuse is blown, replace. IF | ||
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| breaker is tripped, reset. Check to be sure |
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| Cause: No oil in tank |
| Correction: Check oil tank gauge. If empty, have tank filled and start burner. | ||
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| Cause: Valve in oil line is closed |
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| Correction: Open valve in oil line and start burner | |
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| Cause: Oil filter is plugged |
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| Correction: Replace filter cartridge | |
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| Cause: Cycling on limit control |
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| Correction: Check to see limit control pointer is set against stop at 250º F. | |
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| Clean or replace air filter if dirty. Check to be sure all registers and grilles are | |
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| open and not disturbed. | |
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| SERVICE |
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| What’s Wrong? |
| WHY? | ||
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| Lockout occurs |
| • Reverse polarity. | ||
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| • System improperly grounded | |
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| • Gas pressure too high, causing flame to lift off burner. | |
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| • Sensor probe incorrectly positioned in flame pattern. | |
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| Flame not established |
| • Spark gap too small | ||
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| Arcing to ground |
| • Spark too large | ||
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| Weak spark |
| • Broken high voltage lead. | ||
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| • High voltage lead too close to metal surface. | |
| No flame |
| • Valve malfunction. | ||
| Low flame current and/or nuisance |
| • Electrode improperly placed. | ||
| lockouts |
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| Nuisance lockouts |
| • Flame current falls below 2.5 A. | ||
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| • Low gas pressure. | |||
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| Problem: If you do not seem to be getting enough air circulation.... | ||||
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| Cause: Air filter is dirty |
| Correction: Clean or replace air filter as necessary | ||
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| Cause: Registers and grilles are |
| Correction: Check supply or damper positions. Check registers and | ||
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| grilles to make sure they are not closed. Also, make sure they are not | ||
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| obstructed by carpet, draperies or furniture. Remove any obstructions. | |
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Questions? Visit
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