IMER KOINE 3.1 Handbuch Fur Bedienung, Wartung Seite 28

PROBLEMS
Machine does not start Water
Water pressure too low: the gauge shows pressure below 2 bar
(green lamp on?), the display shows the text H
Machine does not start Material
- Product too dry in mixing chamber
(mortar pump seized? red lamp on?)
Machine does not start Grid
-Grid not inserted completely, the display shows the text Bloc
Machine does not start Air
- The air pressure, with jet valve completely open, does not fall
below the minimum pressure value on the machine pressure switch
(table 1)
Machine does not start Electrical current
and compressor does - No current delivered to connector of site panel
not start and the blue (fuses?)
light is OFF - No power delivered to machine
(defective connector connection? loose cable?)
- Main switch not ON
Machine does not start Electrical current
but compressor starts - Start selector switch not in correct position
- Mixing chamber open
(start/stop pushbutton lamp on?)
- Mortar pump motor connector not inserted
(start/stop pushbutton lamp on?)
- Low water pressure switch trips on start-up
(water pump switched on "VHH DOVR PDFKLQH GRHV QRW VWDUW GXH WR
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Machine does not stop Air
DQGRU FRPSUHVVRU - Air hose defective
does not stop (hose cut? Air leaks from couplings?
- Compressor air supply low
- Jet air valve faulty (blocked in open position)
Machine stops after Water
starting up - ,QWDNH ¿OWHU FORJJHG
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- Water hose too long and/or too narrow
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IMER INTERNATIONAL S.p.A.
KOINE 3.1
CAUSES
O
2
28
REMEDIES
- Check that water is delivered from the supply
hose
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- Check that the water pump is switched on
- If the pump collects from a tank, check that it has
been primed and there are
no leaks from couplings
- Initial start-up not performed correctly (see
para.11)
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- No water delivered to mixing chamber
(water inlet obstructed, water solenoid valve
malfunction)
-Check that the grid is positioned correctly
- Check that the air hose is not bent or obstructe-
do
- Check that the jet nozzle is perfectly clean
- Check points listed alongside
- Check points listed alongside
- Check the air hose and couplings in particular
and replace if necessary
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- Check compressor relief valve
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(at least 10-12 l/min if working with lime-cement
based plaster, at least 15-20 l/min with gypsum
based plasters) and replace hose if necessary or
collect water from an auxiliary tank