9
4.
Test photocell (bright).
5.
A
Ō
er the normal combus
Ɵ
on, oil level in hea
Ɵ
ng tank will rise or
drop by
Ň
oa
Ɵ
ng 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 impuri
ƟĞ
s.
c.
Check whether because blocked to make the oil pump
connector slide.
2.
A
Ō
er started the burner, stop work because have not make
pre-purge
Ɵ
me just igni
Ɵ
on directly, fault lamp turn on.
Check the air solenoid valve cannot close whether because blocked
by sundries.
3.
A
Ō
er started the burner, stop work a
Ō
er pre-purged and fault lamp
turn on.
Check the photocell, the control box have not detected photocell
was dark.
4. A
Ō
er igni
Ɵ
on burning,
Ň
ame out suddenly, and fault lamp turn on.
a. Photocell damaged.
b. Oil atomiza
Ɵ
on is not good.
c. Air
Ň
ow is too large.
d. Prehea
Ɵ
ng temperature is not upped
5. Transfer oil pump hard to stop.
Check the float ball switch whether have fault.
