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9.0
T roubleshooting
The
f ollowing
t able
i dentifies
s ome
o f
t he
m ore
c ommon
o bservations,
p ossible
c auses
a nd
troubleshooting
t echniques
t hat
c an
b e
a pplied
a s
a
r emedy.
No.
Observed
C ondition
1
Sprinkler
w ill
n ot
open
e lectrically
Mirage
M -‐125
/
M -‐115
O perating
&
M aintenance
I nstructions
Possible
C ause
Dirt
o r
d ebris
i s
clogging
t he
s olenoid
valve
s eat.
The
s upply
c urrent
to
t he
s olenoid
i s
inadequate.
De-‐pressurize
t he
!
mainline
o r
s ub-‐
lateral
p iping
before
a ttempting
the
l ast
t wo
possible
r oot
causes
The
s olenoid
i s
defective
The
p lunger
i n
t he
solenoid
i s
s tuck
i n
the
" up"
p osition
Troubleshooting
Remove
t he
s olenoid
a nd
i nspect
the
f ilters
f or
d ebris.
C lean
a nd
reassemble.
Verify
2 4
V AC
i s
b eing
r eceived
from
t he
c ontrol
p roduct
u sing
a
multi-‐meter.
C onduct
a n
O hms
check
t o
v erify
w ire
c ontinuity.
An
o hms
t est
o n
t he
s olenoid
indicates
o hms
r esistance
i n
excess
o f
7 5
o hms.
R eplace
t he
solenoid.
After
i nspection
a nd
c leaning,
operate
t he
s olenoid
e lectrically.
If
i t
r emains
s tuck,
r eplace
t he
solenoid.
10
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