Shizuoka Seiki KBE5L, Maintenance Manual

Page: 15 / 26

8
VAL6 KBE5S & KBE5L Trouble Shooting
No. Possible Cause How to check Result Remedy
43 Flame monitor is
defective Disconnect flame
monitor connector
(CN11) from circuit
board, then check
transition of resistance by
changing quantity of light
into flame monitor If the valu of resistance is
nonstandard, the flame
monitor is defective
Standard: balck-black
dark: over 2M
Ω
light: under 10K Ω
Replace a flame
monitor
44
Run out of fuel Check whether fuel is in
tank Refueling
45 Nozzle is clogged Replace a nozzle
Clean and flush the
tank with kerosene,
alcohol or acetone
46 Fuel filter (element) is
clogged Check with eyes whether
or not the fuel filter is
dirty or fouled Replace a fuel filter
47 Air intake of fuel
gauge is clogged Check if air intake of fuel
gauge is clogged with
dust If air intake of fuel gauge
is clogged, fuel flow is
insufficient by pressure
drop in fuel tank Clear an air intake of
fuel gauge
48
Over voltage is being
detected Change the power source
or confirm whether the
voltage of power source
or generator is correct Find a cause of over
voltage and take
away them
Combustion is not stable
49 Nozzle is clogged Replace a nozzle
Clean and flush the
tank with kerosene,
alcohol or acetone
50 Fuel pump is clogged
or defective Loose the brass nut, then
switch on and check
whether fuel comes out
(place a pan under the
pump) If no fuel is pump up or
fuel is not flowing at
least 2" high, the fuel
pump is clogged or
defective (see Exhibit A
"How to restore the fuel Replace a fuel pump
Clean and flush the
tank with kerosene,
alcohol or acetone
Overvoltage lamp is NOT lit
Overvoltage lamp is lit
air intake
8
All manuals and user guides at all-guides.com