Page 18 - QR IMER STEP120
P. 18
~~ IMER INTERNATIONAL S.p.A.
STEP 120
CAUSE AND CORRECTIVE ACTION THREEPHASE
FAULT CAUSE CORRECTIVE ACTION
Machine does not start, Electric current - Check points listed alongside
compressor does not start • No current delivered to connector of site panel (fuses)?
and the blue light is OFF - No power delivered to machine - Check points lisled alongside
(defective connector connection? loose cable?)
- Main swiilch nollumed on - Start unit up from remote control
- ~ miss a phase - Clean nozzle with special cleaner
The machine does not Electric current -Empty lt1e hopper, ensure that lt1e screw is not
start but the compressor (blu lamp on= main switch in correct position?) blocked. when the machine is clean, restart with liquid
starts no signal on display - Operating selector not in start position cement taking care to mix the solution with at least
- Hopper grid missing or not property mounted 400/500 kg of binder per cubic metre:
- Plug not inserted correctly in socket - Bring the density of the material equal to that of a
- Remote control connected? plastering mortar by adding water
- Spray jel nozzle dirty or clogged - Work with lower flow rates
- Supply vo~age too high (over 250 volt)
- Remove obstruction
The machine starts but Material - Connection to compressor detached
stops immediately - Malerial binding properties low - Bodies in mix with too large section
Introduce terrnal cutout - Use sand with constantly optimal particle size curve.
swicht (mortar pump seized?)
- Material too dry - Reduce flow rate before restarting
- Low level of binder in mix, add cement or lime
Material flow to the gun Clogging - Sand not perfectly suitable for pumping; correct
stops. -Material hose clogged - Pipeline length excessive; reduce
A red light illuminates on - Spray jet clogged - Wait for the motor to cool sufficiently before
the electrical panel - Low level of binder in mix restarting
- Sand not suitable for mix - Check the power line.
- Wait for the motor to cool sufficiently before
The machine stops during The following texts appear on display restarting
operation
- Probable extemal short circuit
- Material pressure or friction on screw too high - Pump seized
- Check that the power voltage is between 210 and
- Inverter temperature too high 230 von with lhe machine ruming and thaI the cables
are correctly sized, and that there is no other
- Motor temperature too high equipment (cranes, hoists, saws, cement mixers etc.)
connected to the same power line
- Inverter module current too high
- System overtoad -Replace the gaskets
- Supply vonage too low -Seal the couplings
-Replace the air tap of the spray jel
The compressor starts up -Perforated tube
repeatedly although the -Coupling leakage - Lean nozzle with special cleaner
air tap put on the spray jet - To rectifie
is closed
The mach ine is turned on, - The air spray outlet is obstructed
the compressor starts, but - Air hose bended
the screw doesn't turn
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