Troubleshooting - Comet MTP LW-K 250 Instrucciones Para El Ensamblaje -Uso Y Mantenimiento

WARNING
• Also follow the instructions contained in the manual of the machine in which the motor pump is
integrated.
• Before doing any jobs, perform the operations described in the
In the event of not being able to restore the correct operation of the motor pump with the aid of the information
contained on the following table, contact a Skilled Technician.
PROBLEMS
The electric motor fails
to start or stops during
operation.
The electric motor hums
but does not start.
The pump does not prime. Suction of air.
The pump fails to reach
max pressure.
Irregular pressure and flow
rate (pulsating).

TROUBLESHOOTING

CAUSES
One of the safety devices has triggered
of the plant to which the machine that
integrates the motor pump is connected
(fuse, differential switch, etc.).
The thermal or ammeter cut-out has
triggered.
The power cable plug is not properly
fitted.
The electrical system and/or the
extension are inadequate.
Delivery line closed (e.g., spray gun
closed).
"PRIMING" button (11) not pressed (only
MTP AXR and MTP AX Misting with Total
Stop)
Pressure adjustment knob (2) not
tightened enough.
Not enough water supply or priming
too deep.
Suction circuit blockages.
Unsuitable conditions of use (e.g., nozzle
worn, lance in low-pressure position, etc.)
Air suction.
Suction filter dirty.
Not enough water supply or priming
too deep.
The motor pump has not completed
priming.
Clogged accessory (e.g. clogged nozzle) Restore the correct use of the accessory.
"s " paragraph.
top
REMEDIES
Reset the safety device.
If it triggers again, do not use the machine and
contact a Skilled Technician.
Follow the instructions in the
paragraph.
Disconnect the plug from the socket and fit it
back correctly.
Follow the instructions in the
CONNECTING UP TO ThE POWER SUPPLY
Check the integrity of the suction circuit.
Reset the delivery pressure (e.g., spray gun open).
Keep the button pressed for all the time required
for priming.
Turn the knob clockwise until required pressure
is achieved.
Make sure the water supply flow rate or priming
depth is in compliance with the indications in the
"S
PECIFICATIONS AND TEChNICAL DATA
Check the suction circuit (especially make sure the
suction filter is clean).
Restore the correct conditions of use.
Check the integrity of the suction circuit.
Clean the filter.
Make sure the water supply flow rate or priming
depth is in compliance with the indications in the
"S
PECIFICATIONS AND TEChNICAL DATA
Prime the pump according to the indications of the
"S (
TANDARD OPERATION hIGh PRESSURE
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EN
"S "
AFETY DEvICES
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hECkING AND
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