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HAMA_DP2_UM-20151116-EN
7 TROUBLESHOOTING
EN
Problem
Possible cause
Solution
Motor will not run The connecting cable has not been
connected.
Insert the plug in the wall socket.
Wall socket has no power.
Wall socket is faulty or fuse is faulty.
The connecting cable is faulty.
Replace the connecting cable.
Cables / wires are damaged or loose. Replace or fasten cables / wires.
The extension cord used is too long
or too thin.
Replace the extension cord and press the RESET
button at the back of the electric motor.
Rotor is stuck in the stator.
Dismantle and remove the stator and rotor or
replace both with a new set.
Motor does turn
but there is no or
little aggregate.
An external leak has occurred.
Find the external leak and fix it.
The stator is worn.
Replace the stator.
The rotor is worn.
Replace the rotor.
The pump is obstructed.
Dismantle and remove the stator and rotor or
replace both with a new set.
The aggregate hose is obstructed.
Depressurise the aggregate hose and try
to unblock it and rinse it out or replace the
aggregate hose.
Spray gun is obstructed.
Rinse the spray gun thoroughly.
Plaster gun nozzle is obstructed.
Use a thin drill bit to clean out the nozzle.
Tip of the airless gun is obstructed.
Turn the nozzle of the tip 180º with a key so that
the tip is inside out. If this does not help, replace
the tip.
The V-belt tension is too low.
Tighten the V-belt by pulling the slide of the
electric motor down using the adjusting bolt.
If the adjustment is insufficient, the V-belt must be
replaced.
The V-belt is worn.
Replace the V-belt.
Plaster does
come out, but the
spray distribution
is not right.
The pressure regulation button is not
set right.
Reset the pressure regulation button according to
the description in the chapter on operation.
The compressor does not generate
any or generates too little air.
Check whether the compressor is on.
Check the pressure of the compressor.
Connect a compressor that can produce 8 bar
with 450 litres per minute such as the HAMA
H455 compressor.
The air hose has a kink in it.
Remove the kink and make sure that the air hose
cannot become trapped.
The air hose leaks.
Replace the air hose.
The air channels in the nozzle are
obstructed.
Remove the nozzle from the spray gun and poke
the air channels open with a small drill bit. If this
does not help, install a new nozzle.
7 TROUBLESHOOTING
Introduction
Consult the table to resolve problems. Contact your technical department or HAMA if you cannot
resolve the problem.
