Page 19
Troubleshooting Diagnosis Chart
1.00
NO
OPERATION
2.11 Hydraulic valve open
2.12 Manual valve open
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2.14 No oil (low)
2.15 Hydraulic hose not connected
1.11 Low Battery
1.12 Bad ground
1.13 Poor plug connections
1.14 Blown fuse
1.15 Defective circuit breaker
1.16 Improper terminal block wiring
Vehicle engine must be running during lift op-
eration. Check condition of vehicle battery.
Check for good ground between vehicle chas
sis and aluminum manifold on power pack.
Check all plugs for proper contact.
Check inline fuse on “24 V” wire from P.C.
board. Check P.C. board mounted fuse. Check
for power on terminal 8 of terminal block on
P.C. board.
Reset or replace if necessary.
Check for proper wiring of terminal block.
FUNCTION
POSSIBLE CAUSE
REMEDY
2.00
PUMP RUNS
BUT WILL
NOT LIFT
PLATFORM
Flush valve by operating manual override
switches UP and DOWN at same time for 4 to 5
seconds several times.
Close manual valve. Flush valve by running
UP with manual override. Open valve 4 to 5
seconds several times.
Power pack must be mounted vertically.
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Check hose connection between pump and
cassette.
Troubleshooting and
repair procedures
must be performed
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-
thorized service per-
sonnel only. Failure
to do so may result
in serious bodily
injury and/or property
damage.
If a problem occurs with your
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-
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yourself. Contact your sales
representative. The cause of
the problem can be determined
by locating the lift function and
related symptom in the Trouble-
shooting Diagnosis Charts. The
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then be determined by process of
elimination.
An Electrical Schematic and Hy-
draulic Diagram are provided to
aid in troubleshooting.
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-
ploded views and corresponding
parts lists is also provided. Cor-
rect the problem if possible. If the
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sales representative.
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36513
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