Area
Water does not flow through
External Prefilter
(with Surface Water
Option Kit)
Does not drain fas t enough
Water leaks from bottom
Does not open to allow flus hing
Drain Solenoid Valve
Doesn't clos e to allow Sys tem to
drain
Inlet Solenoid Valve
(with Surface Water
Option Kit)
Flus hing and/or draining of
Sys tem does not work
Controller
Problem / Situation
Corrective Action / Remedy
Pres s RED button on top of housing to releas e air until
water flows from button as air m ay be trapped in hous ing.
Replace External Prefilter cartridge if water press ure has
been gradually decreas ing as the External Prefilter m ay
be plugged or fouled. Refer to L. REPLACEMENT PART
LIST AND PROCEDURES .
Depres s red button on hous ing to drain quickly.
Check Mini Ball Valve on bottom of hous ing. Clos e tightly.
Using the Controller, initiate a m anual flus h sequence.
Refer to Controller Functions s ection under D.
OPERATIONS on how to perform a m anual flus h
s equence and ens ure button on controller is pres s ed for
a full 5 s econds . A buzz sound s hould be heard from the
Drain Solenoid Valve. Contact your Dealer to replace
valve if neces sary.
Check trans form er is plugged in.
On the Controller, press NEXT once. Sim ultaneous ly
pres s MANUAL FLUSH and the down arrow together and
hold for a full 5 s econds . A buzz s ound s hould be heard
from the Inlet Solenoid Valve. Contact your Dealer to
replace valve if neces sary.
Check trans form er is plugged in.
Check if the Drain Solenoid Valve functions . Check
connection to Controller is correct and initiate a m anual
flush to hear a buzz s ound. Refer to Controller Functions
under D. OPERATIONS .
Check if both the Inlet Solenoid Valve functions , if
ins talled, and if the Drain Solenoid Valve functions . On
the Controller, pres s NEXT once. Sim ultaneous ly pres s
MANUAL FLUSH and the up arrow together and hold for a
full 5 seconds . A buzz s ound should be heard from both
the Inlet and Drain Solenoid Valves . Contact your Zenon
Dealer if neces s ary.
Check the s ettings . Refer to Setting the Controller under
D. OPERATIONS .
Check if the trans form er is connected and plugged in.
Contact your Dealer.
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