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7.2 Pilot Burner Malfunction (cont.)
3. Check all connections for cleanliness and security.
C. Pilot flame of proper size, but is unstable.
thermopile completely at all times.
1. Check for drafts that might be caused by air conditioning equipment or make-up air
apparatus. Turn air-moving equipment off and recheck the pilot.
7.3
Main Burner Malfunctions
A. Main burner will not come "ON"; gas not detected at main burner.
1.
Check that the gas valve is open.
2.
Check that the pilot is ignited and is operating properly.
3.
Authorized Service Agent Only: Check the high-limit switch for continuity.
4.
Authorized Service Agent Only: Check the combination gas valve and replace if
defective.
B. Main burner flames are small and appear lazy; oil does not come up to temperature quickly.
1.
Authorized Service Agent Only: Check gas pressure at the pressure tap of the gas valve.
Use dial type or standard water-type U-gauge manometer. With burner in operation, the
pressure should be 4" W.C. (10 mbar) for natural gas, and 11" W.C. (27.5 mbar) for
propane. If not, remove the pressure regulator adjustment cover. Use screwdriver to
turn the adjusting screw for proper pressure. Replace cover, re-check pressure and re-
install pressure tap plug.
C. Signs of excessive temperature; oil scorches and quickly becomes discolored.
1.
Check operating thermostat. May be out of adjustment or calibration. Recalibrate if
necessary.
2.
Check gas pressure as outlined above.
3.
Oil used is of inferior quality and/or oil has been used too long. Replace oil.
4.
Ensure frypot is clean when refilling with new oil.
Frymaster BK1814 Series Gas Fryers
Chapter 7: Troubleshooting
7-2
Flame wavers and does not envelop the
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