SECTION 6 | TROUBLESHOOTING FLOWCHARTS
6.2 | DRIVE CIRCUIT
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See also
Wiring Diagram
or
Schematic
Reference Revision A
Does the machine
drive?
Is either or two brakes
manually released?
Is either of two brake
switches damaged or
disconnected?
Is drive unit d
Yes
No
Yes
No
Yes
Driving slowly?
Are batteries fully charged?
Drives slow when
lowered?
Drives fast when elevated?
Does not drive when
elevated?
Is angle sensor damaged?
Yes
Are brakes hot?
Yes
Drives intermittently?
Check
connections at
both pump and
board. See wiring
diagrams.
Yes, but not properly
Is machine tilted?
Is there a trouble
code flashing?
Yes
Refer to
Diagnostic
Light Codes in
Maintenance
Manual
Flip brake handle(s)
at rear of machine
to engage brakes.
Replace brake switch.
Note that brake limit
switch tabs are delicate.
Use caution not
to break off.
R
dri
Charge
batteries
No
Check brake
connections.
Replace brake
if damaged.
Yes
Check wiri
Lower platform
and move to
a flat surface.
MAINTENANCE & TROUBLESHOOTING
HB-1030CE/HB-1430CE
SUPO-714
REV C
30
SECTION 6 | TROUBLESHOOTING FLOWCHARTS
Troubleshooting Flowcharts--General Notes:
Inspect parts for visible damage as they are encountered.
After each step, check if problem has been indentified and/or resolved.
If so, make the recommended fix or see a referenced document.
If not, continue troubleshooting.
If a part has been identified as needing replacement, see the
Parts View
To identify part number to order.
If any wiring or components have been altered from the original
manufacture, problems may not be identifiable.
WARNING
Any modification on this machine without
the express consent of the manufacturer
is prohibited.
WARNING
Failure to comply with safety precautions
may result in damage, injury, or death.
Refer to Maintenance Manual for
complete warnings
Reference Revision A
damaged?
s
Are all connections to
drive joystick and drive
control board secure?
No
Is there moisture or
corrosion in any
connections?
No
Yes
Yes
Contact Hy-brid Lifts for further
troubleshooting.
Consider brake damage, broken joystick
handle (drive enable), bad hour meter, loose
connections in lower and upper control, and
control board failure.
Still no drive?
Contact CEI for further troubleshooting.
Consider board failure, pothole interlock limit switch
failure
Contact Hy-Brid Lifts for further troubleshooting.
Consider board failure or incorrect wiring.
Contact Hy-Brid Lifts for further troubleshooting.
Consider board failure
No
Is a drive motor
damaged?
No
Replace
ive unit
Reconnect
Allow to dry for 24 hours and
try again. Board probably will
need replacement. Apply
dielectric grease to connectors
at main wire harness.
Replace
drive motor.
Check for proper
connection to sensor.
Replace sensor.
ing connections in drive components.
See
Electrical Schematic
MAINTENANCE & TROUBLESHOOTING
HB-1030CE/HB-1430CE
SUPO-714
REV C
31
