ShopSpecialties Now that some heat! Sounds like you are sucking air or possibly a set screw came loose on the pump coupler. I am a Clean Burn distributor here in Montana. You have posted earlier the oil pressure would drop, was that before the Primary locked it out? The oil pressure gauge on the burner needs to remain steady, if it is bouncing up and down you are sucking air, it keeps building pressure you have a restriction past the regulator.
The digital readout Primary is useless and regular old ones work great. You have spark so it is not the igniter.
When it does fire for those couple of seconds what does the flame look like? Clean Burn recommends burner rebuilds every year with a service kit installed.
These electrodes are sometimes refered to as ignitors. The current from the electronic transformer Inspection door flap with spring loaded hinge for observation ports Part It will fit all Clean Burn furnace models. Clean Burn furnaces with metering pumps now use This pump head has been discontinued. Heater Block Thermostat Replaced with a heater block thermostat replacement kit A2 Burner 20 Saturn A2 Burner. If the heating block heats up, check on the red wire at the F proving switch for power.
If there is no power, you may need to replace the proving switch. Have the oil primary control terminals been wired incorrectly or have they been damaged? For each furnace, the voltage must be at volts. A damaged oil primary control will have to be replaced. Have the L or L limit switches been opened? In this scenario, test the switches for power. Power should be indicated on both sides of the switch. For further instructions, see section 7 of the appropriate furnace manual. Run through the following list of possible causes: Is there a fuel delivery problem?
If so, proceed to the cad cell. Is the cad cell dirty? Clean and check the condition of the cad cell. Are the cad cell wires loose?
Is the cad cell damaged or are the cad cell wires damaged? If you trust your capabilities, replace the cad cell and the wires. You should also check for a backdraft from the exhaust fans in your building. Is the primary control not receiving the right ohm signal from the cad cell?
If so, then disconnect the yellow wires and start the burner to check the ohm reading from the cad cell. If the reading exceeds ohms, then you may need to reposition the cad cell and the retention head.
Is there air in the suction oil line due to leaks at the fittings? If this is the case, you may need to reinstall and properly seal the suction line fittings. You can vacuum test the pump by following these procedures. Is there air trapped in a high point in the pressure oil line?
Trapped air could indicate that you need to bleed the air out of the pressure oil line. If this happens to you, then run through the following waste oil furnace troubleshooting tips: Is there air in the fuel supply?
Prime the pump. If it fails to prime, move onto the next troubleshooting section. Is the primary control not receiving the proper ohm signal from the cad cell? Is there insufficient air pressure?
Never turn the air compressor off while the furnace is operating. Is the heater block cold? A cold heater block could mean you should avoid shutting off power overnight.
If you do, then the burner will not restart the next day. Instead, turn the wall thermostat to OFF, which will keep the heater block hot. Are the electrodes fouled? Oil residues can build up on the electrodes and retention head.
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