ALKOTA 5305A - Burner and Water Heater Troubleshooting; Burner Troubleshooting - Fuel and Smoke

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Troubleshooting
No fuel Clogged fuel lter. Remove and replace lter per FUEL FILTER
SECTION.
Fuel leak. Repair as necessary.
Kinked or collapsed fuel line. Remove and replace fuel line.
Low fuel pressure. See “Low fuel pressure.”
Faulty burner oil pump. Adjust pressure or replace.
Air leak in intake lines. Tighten all ttings.
Clogged burner nozzle. Remove and replace (do not clean).
Low fuel pressure Clogged fuel lter. See “No Fuel.”
Clogged fuel pump lter screen. Remove pump cover and clean strainer using a
brush and clean fuel oil, diesel oil or kerosene.
Fuel oil too viscous. Operate a lighter oil or in warmer area.
Air leaks in intake lines. Tighten all ttings.
Kinked or collapsed fuel line. Remove and replace.
Burner shaft coupling slipping. Remove and replace.
Fuel nozzle worn. Remove and replace with specied nozzle on
BURNER ASSEMBLY.
Faulty oil pump. Remove and replace.
Pulsating pressure Partially clogged fuel pump strainer
or lter.
Remove and replace strainer per FUEL PUMP
FILTER in OIL BURNER MAINTENANCE section.
Air leaking around fuel pump cover. Check fuel pump cover screws for tightness and
damaged gasket.
Unit smokes Improper fuel. Refuel with FUEL specied on MACHINE
SPECIFICATIONS.
Air to burner insufcient. See AIR BAND ADJUSTMENT in OIL BURNER
MAINTENANCE section.
Fuel nozzle interior loose. Replace nozzle.
Water in fuel Inspect fuel lter for water presence.
Gun out of alignment. Bend oil pipe to center burner nozzle.
Burner motor thermal
protector kicked out
Low voltage. Voltage must match those specied in the
BURNER section of MACHINE SPECIFICATIONS
section.
Fuel too viscous. See “Low fuel pressure.”
Fuel pump defective. Check that fuel pump turns freely.
Motor defective. Call service technician or take motor to repair/
warranty station.
Burner Troubleshooting Continued