SECTION 6 | TROUBLESHOOTING FLOWCHARTS
SECTION 6 | TROUBLESHOOTING FLOWCHARTS
6.1 | MAIN POWER/SAFETY CIRCUIT
Does the machine have
any function:
(Drive, Elevate/Lower)
Are the batteries
connected?
Are batteries fully
charged?
Is short protection
fuse blown?
Is key switch
turned on in the desired
selection?
(may select upper controls or
lower controls)
No
Is either E-Stop Button
depressed/activated:
Yes
Contact Hy-Brid Lifts
with questions about a
different problem
Yes, but some
function(s) are
not working properly
Yes
Reference Revision A
Is the battery charger
plugged in?
No
Are all power
supply connections and
switches functioning
properly?
Yes
No
No
Yes
Yes
Visually inspect wire
harness from lower
controls to upper.
Is there damage?
Turn key switch on
Reset E-Stop
buttons. Pull out
at both upper
control and lower
control locations.
Connect
battery.
See
Elevating
Problems
Flowchart
See
Lowering
Problems
Flowchart
No
No
No
Replace with 20
Amp AGC Fuse.
Yes
Repair or
Replace
identified
problem.
No
What type of
problem?
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
Replace
wire harness
or repair
wire
See
Wiring Diagram
Check wiring connections to
identify a power supply
problem.
See
Electrical Schematic
See also Main Power & Safety Circuit
Wiring Diagram Or Electrical Schematic
Flowchart: HB1230-Power
Troubleshooting Step 1: Main Power
Reference Revision A
See Drive
Problems
Flowchart
Is the control
board LED
flashing?
No Light
Yes
No
Refer to
Diagnostic
Light Codes in
Maintenance
Manual
Charge
batteries.
Is the master power
switch turned off or
the key missing?
No
Turn the master
power switch
to the “ON”
position.
Yes
Unplug the charger. If
equipped with an interlock, the
unit cannot be operated while
battery is charging. If not
equipped, operating while
charging shortens battery life.
BY CUSTOM EQUIPMENT LLC
BY CUSTOM EQUIPMENT LLC
30
31
MAINTENANCE & TROUBLESHOOTING
HB-1230
SUPO-729
REV B
MAINTENANCE & TROUBLESHOOTING
HB-1230
SUPO-729
REV B
