35
TROUBLESHOOTING
WARNING
•
Also followtheinstructionscontainedinthemanualofthemachineinwhichthemotorpumpis
integrated or that of any combustion engine tted to the machine.
•Beforedoinganyjobs,performtheoperationsdescribedinthe
“Stop”
paragraph.
Intheeventofnotbeingabletorestorethecorrectoperationofthemotorpumpwiththeaidoftheinformation
containedonthefollowingtable,contacta
Skilled Technician
.
PROBLEMS CAUSES REMEDIES
The combustion engine
fails to start or operation
is not smooth.
Refer to the combustion engine manual. Refer to the combustion engine manual.
The electric motor fails
to start or stops during
operation.
One of the safety devices has triggered
of the plant to which the machine that
integrates the motor pump is connected
(fuse, dierential switch, etc.).
Reset the safety device.
If it triggers again, do not use the machine and
contact a
Skilled Technician
.
Thethermalorammetercut-outhas
triggered.
Followtheinstructionsinthe
“safety devIces”
paragraph.
The power cable plug is not properly
tted.
Disconnecttheplugfromthesocketandt it
backcorrectly.
The electric motor hums
but does not start.
The electrical system and/or the
extension are inadequate.
Followtheinstructionsin the
“checkIng and
connectIng up to the power supply”
paragraph.
The pump does not prime. Suction of air. Checktheintegrityofthesuctioncircuit.
Regulation valve positioned under
pressure.
Resetthepressurebymeansoftheknob(3)(only
MTPMC8andMTPMC18),orplacethepumpin
“BYPASS”withthelever(4).
The pump fails to reach
max pressure.
Pressure adjustmentknob(3)not
tightened enough.
Turntheknobclockwiseuntilrequiredpressure
is achieved.
Not enough water supply or priming
too deep.
Makesurethewatersupplyowrateorpriming
depth is in compliance with the indications in the
“specIfIcatIons and technIcal data”
paragraph.
Thelever(4)isin“BYPASS”position. Movetheleverto“PRESS”position.
Suctioncircuitblockages. Checkthesuctioncircuit(especiallymakesurethe
suction lter is clean).
Irregularpressureandow
rate (pulsating).
Air suction. Checktheintegrityofthesuctioncircuit.
Suction lter dirty. Cleanthelter.
Not enough water supply or priming
too deep.
Makesurethewatersupplyowrateorpriming
depth is in compliance with the indications in the
“specIfIcatIons and technIcal data”
paragraph.
The motor pump has not completed
priming.
Prime the pump according to the indications of
the
“operatIon”
paragraph.
Too many vibrations in the
delivery circuit.
Pressure accumulator not inflated
properly.
Resetcorrectination,followingtheindicationsin
the
“prelImInary actIvItIes”
paragraph.
Too much noise. Suctioncircuitblockages. Checkthesuctioncircuit(especiallymakesurethe
suction lter is clean).
Watersupplytemperaturetoohigh. Keep to the temperatures indicated in the
“specIfIcatIons and technIcal data”
paragraph.
Toomuchoilusedand/or
whitish coloured oil (water
in oil).
Breakageofoneormorediaphragms. Followtheindications of the
“dIaphragm
breakage”
paragraph.
EN