9
4. Test photocell (bright).
5. Aer the normal combuson, oil level in heang tank will rise or
drop by oang ball to control transfer oil pump.
FAULT LOCATION
1. Turn on power supply, transfer oil pump cannot work.
a. Check motor and oil pump, whether the oil viscosity is too high
to cause the transfer oil pump cannot start.
b. Check the oil pump whether blocked by oil impuris.
c. Check whether because blocked to make the oil pump
connector slide.
2. Aer started the burner, stop work because have not make
pre-purge me just ignion directly, fault lamp turn on.
Check the air solenoid valve cannot close whether because blocked
by sundries.
3. Aer started the burner, stop work aer pre-purged and fault lamp
turn on.
Check the photocell, the control box have not detected photocell
was dark.
4. Aer ignion burning, ame out suddenly, and fault lamp turn on.
a. Photocell damaged.
b. Oil atomizaon is not good.
c. Air ow is too large.
d. Preheang temperature is not upped
5. Transfer oil pump hard to stop.
Check the float ball switch whether have fault.
