Storch Airless ST 450 Mode D'emploi page 146

Troubleshooting
Electronics
Symptom: Sprayer does not run, stops running, or will not
shut off.
Perform Pressure Relief Procedure.
1. Plug sprayer into correct voltage, earthed outlet.
2. Turn the ON/OFF switch OFF wait 30 seconds and
then turn power back ON again (this ensures sprayer is in
normal run mode).
Fault
Sprayer does not run at all
Original instruction
What to Check
Check electrical supply.
Check pressure control
connections.
Check pressure control.
Check replaceable fuse.
Check motor leads.
Check motor rotation.
146
3. Turn pressure control knob clockwise 1/2 turn.
Keep clear of electrical and moving parts during trouble-
shooting procedures. To avoid electrical shock hazards
when covers are removed for troubleshooting, wait 7
seconds after disconnecting power cord for stored electri-
city to dissipate.
How to check
Make certain that there is AC 210 - 255 V for 230 VAC
models.
Make certain connector is clean and firmly connected.
Connect the new pressure regulator. If the motor runs,
replace pressure control.
With sprayer unplugged (no power applied), make certain
there is continuity through the fuse.
Make certain terminals are clean and firmly connected.
Perform a spin test by connecting a 9-Volt
battery to the read and black motor leads. Motor should
spin when battery is connected to the motor leads.
Black (-)
Red (+)
Yellow
battery