Vertical Express I-2 Manual page 39

I-2 / I-3 Valve
Troubleshooting Flowcharts
(continued)
Yes
Turn out on slowdown
adjustment?
Turn in on slowdown
adjustment.
Does car have 2" to 3"
of leveling at each
floor?
No
Adjust location of
slowdown signal.
Verify proper
performance.
August 2019 - 89130 v.3.0
A
Is slowdown too hard?
No
Yes Is slowdown too soft?
No
Yes Is slowdown OK?
No
Yes
Replace down pilot
assembly.
Adjust job.
C
Is down slow solenoid
energized?
No
Yes Is there voltage on the
coil?
Replace coil.
No
Not a valve problem.
Verify proper
performance.
Yes
Replace solenoid.
Close manual lowering
valve.
Verify proper
performance.
Flowchart 15
Reference Material
Yes
Open manual lowering
valve.
Does car lower? Yes
No
A
Flowchart 7
Is voltage OK?
No
Not a valve problem.
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