weedingtech Foamstream L12, User Manual

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L12 – User manual – English (EU/USA) – 15/01/2020 - ISSUE 4
21
SYMPTOM CAUSE REMEDY
4
Boiler
switched on
with engine
on, but boiler
does not start
4.1 No flow, see 3 See 3
4.2 Faulty flow switch
Check by removing and
checking not blocked. Then
turn upside down and
check resistance. Replace
if necessary.
4.3
Faulty pressure
switch
Replace pressure switch.
4.4
No back pressure
from lance
Check lance is fitted and
with correct and not worn-
out nozzles.
Check that the pressure is
at least 5 bar.
Check that there are no
leaks
4.5
Loose contacts on
boiler diesel
pump
Ensure tightly connected.
4.6
Temperature
limiter switch
(snap switch) has
been triggered Reset or replace and then
on restart ensure there is
full (12lpm) flow through
the boiler. If not, see 3
4.7
Valve in diesel
pump stuck
(open or closed)
Open solenoid valve on
diesel pump to confirm and
replace the coil for the
valves
4.8
Boiler electrodes
misaligned
Open top of boiler to
expose electrodes and
ensure no more than 5mm
from each other and
positioned over the nozzle
tip. Replace if necessary.
SYMPTOM CAUSE REMEDY
5
Green tower
light does not
come (or stay)
on, indicating
that the boiler
is not reaching
temperature
5.1
Boiler not
starting, see 4
See 4
5.2
Air in diesel lines
(reducing fuel
flow rate into
pump)
Ensure all hoses and clips
are tightly fitted.
If necessary, disconnect
and force air out of lines
before reconnecting.
5.3 Low diesel
pressure
Set the diesel pressure to
14 bar/203 PSI
5.4
Coil in boiler is
covered in thick
layer of soot
Drop a soot-breaker into
the boiler to clean the coil.
Then, measure the
emissions to help ensure
air and diesel set correctly.
5.5 Blocked diesel
nozzle
Replace diesel nozzle in
boiler
5.6
Thermostat
setting is
incorrect, so light
does not
illuminate
Reset by holding on ‘P’
button for 1 second until
‘SP1’ appears. Then adjust
up and down. Press ‘P’
again to get to ‘SP2’, then
again to go leave menu.
SP1 should be 107. SP2
should be 85.
5.7
Accelerator arm
on engine has
been moved,
increasing RPM &
flow
Adjust arm and test.
Options are: Engine RPM
using tachometer (2000),
flow rate (12 lpm/3.1
gpm), or alternator voltage
(14V). Tighten screw.
5.8
Valve stuck in
diesel pump, see
4.8
See 4.8