Troubleshooting - Southbend 170A Owner's Manual

SERVICE
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TROUBLE SHOOTING:
Problem
Look for -
Not enough heat
- Restriction in valve.
- Restriction in gas supply.
- Misalignment of orifice tube.
- Clogged orifice.
- Incorrect orifice.
- Low pressure on gas supply.
- Incorrect gas.
Burner with blue haze - Misalignment of orifice tube.
- Low gas pressure.
- Blocked primary air, exhaust gases blocked by object setting
on top of broiler.
- Blower not functioning properly.
Burner fluttering
- Adjust valve on low setting.
Burner popping
Too much heat
- Cracked or loose ceramic.
- Incorrect orifices.
- Defective or incorrectly set pressure regulator.
- Incorrect gas.
Slow burner ignition
- Check for proper pilot flame length.
- Check for proper pilot alignment.
- Clean pilot orifice.
Pilot outage - Clogged orifice.
- Draft condition.
- Incorrect orifice.
- Adjustment.
- Air in gas line.
No gas to burner
- Gas supply is turned off.
- Defective solenoid valve ("A" stix units).
- Loose connection within wire nuts ("A" suffix units).
- Defective switch ("A" suffix units).
INFRA-RED BROILERS
SECTION THREE - SERVICE
PAGE 3