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18
REMEDIES
The storage tank may be full.
The switch control may
require adjustment.
Allow the machine to cool.
Check the Amp draw to the
machine.
Check the fuses or circuit
breakers; measure the volt-
age. Contact your distributor
for service.
Disconnect and clean the
concentrate valve.
Check for blockage of the
concentrate flow at the inlets
and outlets of membrane
element housings.
Ensure that the anti-telescop-
ing device (ATD) is intact.
Flush and/or clean the
machine.
POSSIBLE CAUSES
Pressurized storage switch or
storage tank float switch cut
power to machine
Thermal overload of motor
Pump motor failure
Dirty concentrate valve
Restricted flow after pump
outlet
Telescoped membrane element
covering membrane element
housing
Fouled or dirty membrane
elements
PROBLEM
ON/OFF switch ON:
machine not running
(continued)
Pressure does not drop when
concentrate valve opened
Excessive pressure drop
acrosse membrane
element(s)
[over 50 psi (3.5 bar)]
TROUBLESHOOTING GUIDE