27
MPV leaks water
●
Leak form the connection
port, check if the sealing
O-Ring was twisted or
damage
Replace O-Ring with
grease, check the O-Ring
is in place, is clean and is
intact
●
Leak form the MPV body,
check if there are any
crack on the where are the
water coming
Change MPV valve
●
Leak form the Actuator of
MPV, check if U pin was
not in place
Re-install U-Pin on the
correct position
●
Leak form the Actuator of
MPV, check if O-Ring was
wearing or particle issue
Replace O-Ring with
grease, check the O-Ring
is in place, is clean and is
intact
Rear Manifold leaks
water
●
Leak form the connection
port, check if the sealing
O-Ring was twisted or
damage
Replace O-Ring with
grease, check the O-Ring
is in place, is clean and is
intact
●
Leak form the Manifold
body, check if there are
any crack on the where
are the water coming
Change Front Manifold
●
Leak form the connection
port, check if the sealing
O-Ring was twisted or
damage
Replace O-Ring with
grease, check the O-Ring
is in place, is clean and is
intact
●
Leak from Flow Meter,
check if the O-Ring is not
in place or crack on the
sealing surface
Replace O-Ring with
grease, check the O-Ring
is in place, is clean and is
intact. Or replace new Rear
Manifold L
System water flow is
noticeably reduced
●
Check if the pre-file is
clogged
Depressurize system,
remove cartridge cap and
replace internal filter if
necessary
●
Check if the inlet pressure
is low or the ball valve was
not open completely
manual flush and verify the
valve is working. Replace
the valve if necessary
Water does no flow
through system
●
Check if the bypass valve
is close
Close the bypass valve
The noise of machine
is very loud
●
Check if the pump head
was installed correctly or
bearing was wearied
Re-install the pump on the
Front manifold of replace
new pump if necessary
●
Check if the enclosure
was not closed completely
Re-place the Front Cover
System current does
not register above
known value
●
Harness correctly plugged
into board <-> device
Manually flip component
confirms operation/current
draw
● ●
Component is damaged
(coil, actuation)
Change component
●
PCB output circuit is
damaged
Change/Service PCB
●
Current sense circuit (on
board) is damaged
Turn on component and
confirm current reading
Pump current is
outside of control
●
High pressure drop on
module
Bypass module (plumbing),
turn on pump and confirm
system current draw
