PFT PFT RITMO, Operating Instructions Manual

Page: 26 / 48

PFT RITMO powercoat 110V Operating Instructions Last updated 12.2006
Knauf PFT GmbH & Co. KG
26
Fault – Cause – Remedy
Fault Cause Remedy
Machine does not start. No water. Check the water supply.
Machine does not start in
spraying mode. Selection switch is at operation
without water. Set selection switch to
operation with water switch.
Machine does not start. Water pressure too low / gauge
displays pressure below 1.9 bar. Clean water inlet filter and
install high pressure pump.
Supply machine with water from
water barrel.
Enlarge hose diameter,
min. ¾ inch.
Machine stops after a short
while. Water inlet filter soiled.
Water level has risen in the
material hopper. Clean or replace filter.
Machine stops or does not
start. Water pressure safety switch
misadjusted or defective. Reset to factory setting or
replace.
No display at flow meter,
although water supply is
okay. Solenoid valve does not open.
Check the water selection switch. Check if the hole in the solenoid
valve diaphragm is blocked.
Check if the solenoid valve coil
is defective. If required, replace
diaphragm or entire solenoid
valve. Check cable to solenoid
valve.
No display at flow meter,
although water supply is
okay. Needle valve closed completely. Open needle valve in
anticlockwise direction.
No display at flow meter,
although water supply is
okay. Water supply blocked in mixing
area. Clean inlet with round file.
Machine does not start. Machine is without power. Have fault rectified by a
qualified electrician.
Check distributor boxes, fuses
and power supply cable.
Machine stops or does not
start. FI safety switch has triggered. Have grounding wire /
insulation inspected by a
qualified electrician.
Machine does not start. Main switch defective. Have the main switch replaced
by a qualified electrician.
Machine stops or does not
start. Fuses defective. Have fuses checked by a
qualified electrician. Replace if
necessary.