PARADIGM – INSTALLATION/OPERATION MANUAL
Paradigm
17 Jun 10
8.0 TROUBLESHOOTING GUIDE
Furnace will not start
Tripped thermal/pressure switch Call service technician for switch reset.
Tripped breaker Determine cause, reset breaker.
No oil Check tank for leaks and call oil supplier.
Oil burner keeps turning off
Dirty air filter Change air filter.
Restricted air supply/return Check all air return/supply registers.
Limit control Check duct work for blockage.
Dirty nozzle Call service technician to replace nozzle.
Sooty flame
Wrong pump pressure Increase or decrease pressure to correct setting.
Dirty nozzle Replace nozzle.
Improper burner setting See section 5.0 BURNER SPECIFICATIONS.
Using too much oil
Oil leak in line or tank Check fittings for tightness. Inspect tank and replace if
necessary.
Nozzle too large Replace nozzle to lower input.
Burner reset cuts out
No oil Call oil supplier.
Frozen oil line Call technician or oil supplier.
Dirty oil filter Replace filter.
Dirty nozzle, smoky fire Replace nozzle, adjust burner air.
Faulty oil pump Have pump replaced, adjust burner air.
Faulty or dirty electrodes Have technician clean or replace.
Warm air registers blowing cold air
Basement cooling ducts Insulate and seal ductwork to maintain duct temperature.
Ducts running through Change or insulate ductwork.
unheated spaces
Warm air registers blowing too hot
Return air restricted Open up return air ductwork to ensure adequate airflow.
Nozzle too large Lower nozzle size to suit duct work.
All rooms at different temperatures
Supply air not regulated Adjust warm air regulators to suit each room.
Return air not regulated Check for sufficient return air.
Noisy operation
Loose blower wheel Tighten wheel set screw or replace.
Blower wheel hitting housing Center wheel in housing.
Damaged motor bearings Replace blower motor.
Faulty oil pump Repair or replace oil pump. Reset to correct pressure.
Air leak in oil line Tighten all connections.
Vacuum too high on pump Check pump vacuum. Check filters and pump screen.
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