The data, information and descriptions, and the technology described herein are the exclusive intellectual property of Ecotechnics S.p.A. and constitute industrial
secrets. Said information is communicated in strict confidentiality; said information may be used only for the purpose for which it is communicated; said information
may not be divulged, communicated, or revealed to third parties and/or reproduced by any means for any reason whatsoever; said information is protected under
applicable Italian competition and industrial property law.
pag.18 - 18/10/2005 Service manual VA500-VA750 ed.1 ver.5.05 [MANU360.SA0].doc
ELECTRONIC VALVE CLEANING OR
SUBSTITUTION
Disconnect the machine from mains supply.
Remove the rear plastic cover. Identify the
solenoid valve referring to the PIPING
paragraph of the EXPLODED VIEW KEY. Close
the blue and red taps of the machine bottle.
Unscrew the nut (2), extract the lock washer (3)
and the coil (1). ATTENTION: The coil must
remain inside the machine, with the wires
attached.
NOTE: if the valve to be cleaned is EV2 or EV3,
it will be necessary to also remove the front
plastic cover and the front panel.
Unscrew the body of the solenoid valve (4). Use
a jet of compressed air to clean the plunger
gasket (5) and the orifice (6). Reassemble.
Open the blue and red taps of the machine
bottle. Replace the rear plastic cover. Test the
machine. If the problem persists, disconnect the
machine from main supply and replace the
solenoid valve
CHANGING THE UNITS OF
MEASURE (KGÆLBS OR LBSÆKG)
Press the SEL, START, and ENTER keys
simultaneously. Switch on the machine. The
machine will change from one system of units of
measurement to the other.
TEST OF THE MACHINE
Not available
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