Troubles, Causes And Trouble Shooting - Frank FC 711 M Operating Instructions Manual

8.

Troubles, causes and trouble shooting

Trouble
Machine does not
run or switches off
during operation
Possible cause
No current; low-voltage
ON-OFF protective motor switch
defective
Excessive pump pressure, pro-
tective motor switch cuts out
TCA-VARIANT
Batteries in spray gun used up
Control electronics of the spray
gun defective
Interruption of the control line
between receiver and insulating
piece on the high pressure hose
connection
Metallic connection between
machine and high pressure
hose connection on the chassis
causes a „short circuit"
Receiver defective
Weld joint on battery holder of
the spray gun torn
Corrosion on battery holder wi-
thin the battery housing caused
by leakage on the battery cap of
the spray gun
Using a wrong high pressure
hose
High pressure hose, longer than
20 m, lies on a very dirty ground;
weak signal
What to do about it
Have an expert : check the fuse
of the local installation, supply
cable, wall socket and voltage
Have an expert replace the
switch
See also under „Excessive pump
pressure"
Replace batteries, type E-Block 9
V (see also pos. 6)
Have an expert replace spray
gun
Have an expert install proper line
connection
Remove metallic connection, if
necessary have insulating piece
replaced by an expert
Have receiver replaced by an
expert
Have an expert repair soldering
seam, soft solder
Have an expert replace battery
holder, sea battery cap according
to the regulations, if necessary
replace O-ring for battery sealing
Use allowed high pressure hose,
electrical resistance between the
two metallic hose ends must be
maximum 1 Ohm
Use grey high pressure hose, ha-
ving a well insulated hose jacket
and an electrical resistance in
accordance to the regulations
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