5.9.5
5.9.5
No flame establishment
No flame establishment
CONDITION
POSSIBLE CAUSE
ACTION
Burner motor starts, ignition
is operational, after a short
period of time a lockout
occurs. Symbol 1
1
1.
Solenoid valve does not
function
2.
faulty coil on solenoid
valve
3.
damaged cable
4.
faulty control unit
1.
Change the valve
2.
change the coil
3.
Change the cable
4.
Change the control unit
Nozzle valve does not open
1.
nozzle needle does not
open
2.
Nozzle valve piston is
stuck
3.
Clogged throttle plug
1.
Change the nozzle
2.
Change the piston or the
O-ring
3.
Clean the plug
No spray from nozzle
Oil atomizing pressure is
inadequate
The nozzle O-ring is
faultySuuttimen O-rengas on
viallinen
See 'pump adjustments'.
Cahnge the O-ring
Main solenoid valve does not
open
1.
Return oil pressure is
too high
2.
Faulty return oil pressure
switch (max.)
1.
Examine,
isolate
fault,
repair
2.
Change
the
pressure
switch
5.9.6
5.9.6
Oil pump failure
Oil pump failure
CONDITION
POSSIBLE CAUSE
ACTION
Supplies no oil or atomizing
pressure is too low
1.
Dirty filter
2.
Leaking suction line of
transfer pump
3.
Pump
capacity
dec-
reased / pump is worn or
faulty
1.
Clean or change filter
2.
Fix the leaks
3.
Change the pump
Loud mechanical noise
1.
Pump is cavitating / in-
sufficent in-let pressure
to the burner
2.
In-let oil temperatur too
low
3.
In-let
oil
pipings
con-
nected incorrectly
1.
Tighten joints, Clean the
filter, check and adjust
pressure
2.
Raise in-let oil tempe-
rature
3.
Check joints
66 (77)
RPMARINES 30820641GB
5. Maintenance
