1. Low fuel tank: Send fuel to the tank. 2. Air in the tubing: discharge the air in the pipe according to the exhaust procedure. 3, solenoid valve coil short circuit: replace the solenoid valve coil. 4, oil pump damage: disassemble repair, or replace. 5. The coupling connecting the motor and the oil pump is broken: replace the coupling. 6, the oil pump can not rotate with the motor: the controller or electric eye damage, replace the damaged parts.
7, the light in the combustion chamber is too strong (refractory brick is burned red or there is residual carbon slag combustion, electric eye is not normal) : carbon spontaneous combustion, into the furnace cleaning.