Vertical Express I-2 - Page 33

I-2 / I-3 Valve Reference Material
August 2019 - 89130 v.3.0 31
Troubleshooting Flowcharts
(continued)
Flowchart 9
Is the down fast
solenoid energized?
A
Does car
lower at leveling
speed?
Does car
lower at less than
leveling speed?
Open down start one turn.
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
Yes
Record the number of turns
that the start and stop
adjustments are open.
Flowchart 10
Does car
run faster than
leveling speed?
Replace solenoid.
Verify proper performance.
B
Flowchart 10
B
Flowchart 10
A
Was start open
wider than stop?
Open start wider than stop.
Is there voltage
on coil?
Replace coil.
Verify proper performance.
No
No
Yes
Replace valve.
Adjust job.
Set at 3/4"
Is down speed
adjustment handle
1/2" out of cap?
Not a valve problem.