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7.0 POSSIBILITIES OF FAILURE
Error
High pressure gauge deflection on
closing the HP pistol
Operating pressure too low
Operating pressure too high
Cleaning agents are not suctioned up
Heating does not reach temperature
Blower motor does not start up
Ignition for electrode not working
Oil misting
No / too low oil pressure
Solenoid valve does not open
Possible cause
-
safety valve incorrectly or defect
-
pressure regulating valve
switches incorrectly
-
incorrect high pressure nozzle
-
lime scale on heating coil
-
pressure regulating valve set
too low
-
pressure regulating valve leaks
-
pressure gauge defect
-
pressure regulating valve defect
-
nozzle blocked
-
cleaning agent tank is empty
-
metering valve is not open
-
chemical tuber pipelines are
blocked
-
water through flow too low
-
heating oil tank is empty
-
heating oil filter is blocked
-
heating coil has lime scale
-
combustion chamber is soothed
-
blower motor fusing detective
-
over voltage release is released
by blower motor safety
thermostat
-
cable, ignition electrodes,
electrode plug or ignition
transformer defective
-
burner nozzle insufficient / worn
-
oil pressure too low
-
pump / PVC coupling defective
-
oil filter dirty or leaking
-
temperature regulator set too
low
-
water through flow too low
-
flow monitor / pressure switch
defective
-
heating oil tank empty
26
Remedy
-
set safety valve to max. 10
above max. operating pressure
or renew
-
check function of pressure
regulating valve, or renew
-
use nozzle acc. to type label
-
descale heating coil
-
set pressure regulation valve to
required pressure
-
repair or renew pressure
regulating valve
-
renew
-
renew
-
clean nozzle
-
fill container
-
open metering valve
-
clean these tubes
-
set pressure regulator higher
-
fill heating oil tank
-
clean heating oil filter, renew oil
pump
-
descale
-
clean
-
renew fuses
-
reset safety thermostat,
eliminate cause
-
set ignition electrode according
to drawing, renew defective
parts
-
renew burner nozzle
-
set oil pressure to approx. 8,5
bar
-
renew
-
clean or seal
-
set temperature regulator
higher
-
clean nozzle, increase pressure
-
renew
-
fill heating oil
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