Vertical Express I-2 Manual page 47

I-2 / I-3 Valve
Troubleshooting Flowcharts
(continued)
Open Up start two full
Yes
Adjust valve.
Yes
Close stop to two turns
open.
B
Flowchart 24
August 2019 - 89130 v.3.0
A
Is Up slow
energized?
Is Up fast
Yes
energized?
turns.
Back off on low
pressure while pump is
running.
Does car run at full
speed?
Will car stand still?
No
Open Up stop until car
stands still or to a max.
of 6 turns.
Is stop more than
two turns open?
Will car stand still?
No
A
Flowchart 24
Flowchart 22
Yes
No
B
Not a valve problem.
No
Yes
Adjust low pressure.
No
Yes
Reconnect Up slow
solenoid.
No
Adjust valve.
A
Flowchart 23
Reference Material
Should Up slow be Yes
energized?
A
No
Flowchart 26
Does car stand
Yes
still?
Reconnect Up slow
solenoid.
No
Adjust valve.
C
Flowchart 24
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