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  • MEXICANO, página 31
ATTENTION
·
BEFORE CARRYING OUT ANY REPAIR WORK, DISCONNECT THE MACHINE FROM THE ELECTRIC POWER SUPPLY.
·
ELECTRICAL COMPONENTS MAY ONLY BE CONTROLLED BY THE AUTHORISED TECHNICAL SERVICE CENTRE.
FAULT
The machine doesn't start
The pump works but doesn't reach the requi-
red pressure
Irregular pressure variations
Pressure drop
High pressure hose vibrates
Excessive noise
Presence of water in the oil
Water leaks from the head
Oil leaks
When the machine is switched on, the motor
hums but doesn't start
When the machine is switched on the motor
doesn't start
English
9 TROUBLE SHOOTING
REASONS
Insufficient voltage
Power cable damaged
The pump intakes air
Worn or dirty valves
Worn adjustment valve seat
Insufficient or worn water nozzle
Worn seals
Used, worn or blocked valves
Air intake
Worn seals
Worn nozzle
Dirty or blocked valve
Worn adjustment valve seat
Worn seals
The pump intakes air from the additive tank
Additive tank empty
The pump intakes air from loose hoses or
connectors
Air inside hydraulic circuit
Dirty or blocked valves
Air intake
Worn, dirty or blocked valves
Worn bearings
Water temperature too high
Worn sealing rings (water and oil)
High percentage of humidity in the air
Worn seals
Valve caps broken
Head broken
Oil O-rings worn
Mains voltage (VOLT) is less than the required
minimum
The pump is blocked or frozen
No current
The thermal cut out has tripped due to ove-
- 14
REMEDIES
Check
Check and replace if necessary
Check the intake ducts
Clean or replace
Check and replace if necessary
Check and replace if necessary
Check and replace if necessary
Check, clean and replace if necessary
Check the intake ducts
Check and replace if necessary
Change nozzle
Check, clean or replace
Check and replace if necessary
Check and replace if necessary
Top up the additive tank
Tighten the additive valve
Check for leaks: tighten any loose connectors.
Contact the technical service centre.
Disconnect the high pressure hose and let the
machine work until no more air is mixed with
the water leaving the machine.
Check , clean and replace if necessary.
Check the intake ducts
Check, clean or replace
Check and replace. Contact the technical
service centre.
Lower the temperature to under 60°C.
Check and replace if necessary
Change the oil twice as often as normally
required.
Replace the seals. Contact the technical
service centre.
Replace the broken parts. Contact the techni-
cal service centre.
Replace O-rings
Check that the mains power supply is suitable
Rotate the motor by hand with a spanner
directly on the cooling fan.
Check the cable and switch
Check that the voltage is correct. Turn off the

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