Acorto 2000s - Page 174

2030-0184
Section
'18:
Troubleshooting
Check
incoming
water
supply.
lf
there
is
no water
coming
to the
machine, or a
restricted
supply of
water,
the water
pressure
gauge
will
go
to ::ero when the Brew
valve is
open
Verify
minimum
of 30
psi
of
water flow
is
being
supplied
to the machine,
and the
filters
are
good.
Check
fuses
on
DC
supply
and replace
as
necessary.
Replace
DC
Supply
Board
as last resort.
Access Test
Routines
and scroll
to
"Brew
Water
Valve" and
Activate
valve. Did the
valve
open?
(Usually
an
audible
"click"
is heard)
-l
I
t. Za VOC
oresent I lTest
Solenoid
for
possible
short and
I
I
at the Brew valve
l--Yet J
tn9"*
plunger
lor.oeorls Keplace
I
i
durinq activatron?
| |
plunger
ano sea'l.?to.p'':s"t.
I
|
|
!I'r*jr"-
varve r
pao
sorenoro
r
*--1_---
Yes
i
Inspect
CPU for
possible
traces,
and check
harnesses
connecting
to
CPU
for
possible
loose
connecttons.
Repair
if
any, and
replace
CPU as
last
resort.
In reference
to
ground,
is 24 VDC
present
on Orange
wire
(Harness
side) to Brew
Valve?
Check continuity
on Orange Wire
back to
Pin 8 on
JP2. Continuity
Present?
Check continuity
on White
wire
(Harness
side)
back to Pin
7 on
JP2. Continuity
Present?
+
1
Locate break in
I
I
continuity
and
I
I
repaar
parts
as
]
I
required
by factory
|
I
specs.
I
Acorto
2000s/i
Technical
Support
18-11