Vertical Express I-2 - Page 39

I-2 / I-3 Valve Reference Material
August 2019 - 89130 v.3.0 37
Troubleshooting Flowcharts
(continued)
Flowchart 15
CA
Is slowdown too hard?
Is down slow solenoid
energized?
Is slowdown too soft?
Is there voltage on the
coil?
Is slowdown OK?
Turn in on slowdown
adjustment.
Turn out on slowdown
adjustment?
Open manual lowering
valve.
Does car lower?
Is voltage OK?
Not a valve problem.
Replace solenoid.
Close manual lowering
valve.
Verify proper
performance.
Replace down pilot
assembly.
Adjust job.
Does car have 2” to 3”
of leveling at each
floor?
Adjust location of
slowdown signal.
Verify proper
performance.
A
Flowchart 7
No No
No Not a valve problem.
No
Replace coil.
Verify proper
performance.
YesYes
No
Yes
No
No
Yes
Yes
YesYes
No
Yes