IMER KOINE 35 Manuel D'utilisation page 27

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INC ONVEN IENTI
La macchina non parte
Acqua
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
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 not
- No current delivered to connector of site panel
start and the blue light is
(fuses?)
OFF
- No power delivered to machine
(defective connector connection? loose cable?)
- Main switch not ON
Machine does not start but
Electrical current
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 ?see also "m achine does not start due to water)
Cell w heel does not start
Material
- Material hardened in hopper
- Material too compact in hopper
(machine moved with hopper full?)
Mortar pump and/or cell
Electric current
w heel does not start
- Starting power voltage insufficient
(red lamp illuminates after a few seconds?)
- Motor faulty
- Faulty cable
- Faulty connector
Machine does not stop
Air
and/or compressor does
- Air hose defective
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
- Intake filter clogged
- Pressure reducer filter clogged
- Water hose too long and/or too narrow
- Water supply insufficient
- ERR00 : Hopper grille open or incorrectly located.
- Screw pump motor thermal cutout (see Err02).
- Emergency button pressed.
- System malfunction.
- ERR01 : High circuit board temperature (Inverter).
- ERR02 : High screw pump motor temperature.
- The motor has been subjected to overloading for a long time.
- ERR03 : Too much power required from screw pump motor (motor jammed).
- ERR04 : Screw pump motor overload warning.
- ERR05 : The compressor turns on and off too frequently although the air tap put
on the spray jet is closed
-Air hose punctured.
The machine stops during
-Leakage from unions.
operation
- ERR06 : Instantaneous power voltage over 265V.
The follow ing texts appear
on display
- ERR07 : Current loss to ground or system malfunction.
- ERR 08 : Power voltage too low:
- Lower than 170V
- ERR09 : Wheel motor overload on loading cell.
------------ : Input voltage in excess of 265V
- Check power supply connection
- BLOC : Input voltage in excess of 265V
- Check whether the stator and rotor are jammed together
- Foreign matter in hopper / mixing chamber
- STOP : Closed jet air warning.
- Jet nozzle / air hose blocked, machine does not stop after halt.
- H2O : Water pressure below 2.5 bar, insufficient flow/pressure for correct
operation.
- The machine turned off and on again by itself, "H2O" flashes on the display for a
few seconds.
-Air in hose/system.
Material flow stops
Mixing
(air bubbles)
- Mixer not suited to product
- Material damp in hopper
Material flow stops
Clogging
- Material hose clogged
- Spray jet clogged
Material delivered to jet not
Pre-mixed material deteriorated
constant, too hard or too
Screw -stator pair w orn
liquid
Screw -stator pair w orn
Water pressure reducer faulty (ref.)
Water solenoid valve faulty
Water system settings incorrect
Electric cable too long and too narrow
Water increases in mixing
Screw -stator pair w orn
chamber during operation
Pipeline clogging
Water increases in mixing
Solenoid valve faulty
chamber w ith machine
stationary
IMER INTERNATIONAL S.p.A.
KOINE 35
C AUSE
O
2
27
R IM EDI
- C heck that water is delivered from the supply hose
- C heck that the water filter is clean
- C heck 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)
- Water flow rate setting too low (see para.11)
- No water delivered to mixing chamber
(water inlet obstructed, water solenoid valve malfunction)
- C heck that the air hose is not bent or obstructedo
- C heck that the jet nozzle is perfectly clean
- C heck points listed alongside
- C heck points listed alongside
- C heck that water does not continue to enter the mixing chamber when the
machine is stationary
- Empty hopper (see para.11) and fill with fresh material
- Ensure that the electric cable section is adequate (see para.10.1)
- C heck the current line to the site panel and site panel connector
- C heck motors, electric cables and connectors
- C heck the air hose and couplings in particular and replace if necessary
- C heck air filter (see para. 12)
- C heck compressor relief valve
- C heck points listed alongside: clean filters, check for adequate flow rate from the
water hose (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
- Ensure the grille is properly located
- Wait for it cool down, then restart.
- Reset the emergency button.
- C ontact Assistance Service
- Wait for it cool down, then restart.
- Wait for it cool down, then restart.
- C orrect the mixture in use.
- Add water to mixture.
- Add binder to mixture.
- Use sand with optimized particle size curve.
- Remove blockage.
- Use sand with optimized particle size curve.
- Add water to mixture.
- Add binder to mixture.
- Reduce screw pump motor speed.
-Ensure that the power voltage is in the range 200V to 230V when the machine is
operating, that the power cables are properly rated and that no other equipment
(cranes, lifts, saws, concrete mixers, etc.) is connected to the same supply.
-Replace the gaskets
-Seal the couplings
-Replace the air tap of the spray jet
- C heck the quality of the current delivered by the power supply (qualified
electrician).
C ontact Assistance Service.
C heck for water in system.
Ensure that the power voltage is in the range 200V to 230V when the machine is
operating, that the power cables are properly rated and that no other equipment
(cranes, lifts, saws, concrete mixers, etc.) is connected to the same supply
- Remove blockage and any encrustation
- Remove any foreign matter.
- C heck power voltage at source, it must not exceed 240V
- Remove rotor and stator and unjam/replace them
- Remove foreign matter from hopper / mixing chamber
- The warning automatically disappears if the machine starts normally after the halt.
- C lean the air nozzle and unblock the air hose.
- Switch on the machine's water pump.
- C heck that the supply pressure does not drop below 2.5 bar while the machine is
pumping, if necessary take the water from a 200 litre tank (approximate size).
- C heck that the water circuit filters are clean.
- D rain water from the purge cock to bleed all air from the hose/system.
- C lean the mixer and if necessary replace with one more suited to products used
- C lean the mixer and if necessary replace with one more suited to products used
- Remove obstruction
- C heck points listed alongside
- Replace screw-stator
- Remove obstruction
- C heck

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