Vertical Express I-2 Manual page 42

Reference Material
Troubleshooting Flowcharts
(continued)
Register an Up call.
Does the car run Up
OK at high speed?
Flowchart 19
Flowchart 26
Replace coil.
Verify proper performance.
40
A
Yes
No
Does the car level Up
OK?
A
No
Is Up slow solenoid
Yes
energized?
A
No
Is there voltage on the
Yes
coil?
No
Not a valve problem.
Yes
Put car on inspection.
Is Up inspection speed
8 to 20 FPM?
No
A
Flowchart 26
Yes
Reconnect Up slow
solenoid.
Place car on automatic.
A
Flowchart 30
Flowchart 18
I-2 / I-3 Valve
Yes
Disconnect Up slow
solenoid.
Run car Up on inspection.
Does car stand still?
No
B
Flowchart 19
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