Comet CRRC 50 ECO L Manual De Instrucciones página 42

WARNING
• Before doing any jobs, perform the operations described in the
• In the event of not being able to restore the correct operation of the machine with the aid of the information
contained on the following table, contact a
PROBLEMS
The combustion engine fails
to start or operation is not
smooth.
Operating the switch, the
electric motor fails to start or
stops during operation.
The electric motor hums but
does not start.
The pump does not prime.
The pump fails to reach max
pressure.
Irregular pressure and flow rate
(pulsating).
42
TROUBLESHOOTING
SKILLED TECHNICIAN
CAUSES
Refer to the combustion engine
manual.
One of the safety devices has
triggered of the plant to which the
machine (fuse, differential switch,
etc.) is connected.
The thermal or ampere cut-out
protection device has triggered.
The power lead plug is not properly
fitted.
The electrical system and/or the
extension are inadequate.
Suction of air.
Regulation valve positioned under
pressure.
Knob (42) of the filter with valve
missing or mounted badly.
Pressure adjustment knob (29) not
tightened enough.
The lever (30) is in
position.
Suction circuit blockages.
Nozzle either worn or too big.
Air suction.
Suction filter dirty.
The motor pump has not completed
priming.
paragraph.
"STOP"
.
Refer to the combustion engine manual.
Reset the safety device.
If it triggers again, do not use the machine
and contact a
Follow the instructions in the
DEVICES"
Disconnect the plug from the socket and
fit it back correctly.
Follow the instructions in the
AND CONNECTING UP TO THE POWER
SUPPLY"
Check the integrity of the suction circuit.
Reset the pressure by means of
the knob (29) (only MTP MC 8 and
MTP MC 18), or place the pump in
"BYPASS"
Put the knob back in the filter and make
sure it is positioned correctly (refer to the
"CLEANING THE FILTERS"
Turn the knob clockwise until required
pressure is achieved.
Move the lever to
"BYPASS"
Check the suction circuit (especially make
sure the suction filter is clean).
Replace the nozzle (refer to the contents
of the
"OPERATION"
Check the integrity of the suction circuit.
Clean the filter.
Prime the pump according to the
indications of the
paragraph.
REMEDIES
SKILLED TECHNICIAN.
"SAFETY
paragraph.
"CHECKING
paragraph.
with the lever (30).
paragraph.
position.
"PRESS"
paragraph.
"OPER ATION"
(continued on next page)