PAGE 16
VAL6 EPX Trouble Shooting
No.
Possible Cause
How to check
Result
Remedy
Replace a fuel filter and/or
nozzle, and warm the fuel
or mix kerosene with diesel
Because of low
temperature, fuel viscosity
increase thus fuel filter
and/or nozzle is clogged
Clean the lens of flame
monitor with soft cloth
If it is dirty or dustiness,
flame monitor cannot
detect flame properly
Take a flame monitor out,
and check whether its lens
is clear or not
Lens of photo cell is
dirty or dusty
《How to clean the lens of photo cell》
Fuel is contaminated
with water
Because of condensation,
there is the dew
condensation water in the
tank
Replace a fuel thoroughly
56
53
54
55
Misfire lamp blinks within about 15 seconds after switching on
Combustion stops during the operation
Replace a fuel pump
Clean and flush the tank
with kerosene, alcohol or
acetone
If no fuel is pump up or fuel
is not flowing at least 2"
high, the fuel pump is
clogged or defective (see
exhibit "How to restore the
fuel flow" )
《How to check the fuel pump》
Nozzle is clogged
Replace a nozzle
Clean and flush the tank
with kerosene, alcohol or
acetone
《How to replace a nozzle》
51
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)
52
Fuel filter and/or
nozzle is clogged by
thick fuel
Replace a nozzle
Clean and flush the tank
with kerosene, alcohol or
acetone
Nozzle is clogged
(Fuel is sprayed normally form the nozzle)
Loose the brass nut and switch on
(make sure that pump turns on)
flame monitor
burner cover
screws
unscrew three nuts and take the burner unit off
Содержание VAL6 EPX Series
Страница 1: ...VAL6 EPX Maintenance Manual ...
Страница 2: ...1 Names of components ...