Batteries and Circuit Boards Appear in Order/No Air Leak Found/No Fault Found with
Wiring
Proceed to check that the lift and traversing motors are functioning by removing the motor and
battery leads and running jumper cables from the motor leads to the battery leads. (Reversing
polarity causes the motors run in reverse)
Batteries and Circuit Board Appear in Order/No Air Leak Found/No Fault Found with
Wiring or Motors
The most likely cause of failure is a blown fuse on the circuit board. To confirm, check the fuses
on the board and verify they are both operable. If a fuse is blown replace it with another fuse (15
amp) and test the lift. Under no circumstances should a fuse with a fuse rating other than the
specified amperage be used. Using such a fuse can result in damage to the lift and /or personal
injury. If the problem persists after testing, replace the circuit board. If the problem persists,
contact customer service at 1-800-265-0677 in Canada or 1-866-891-6502 in the US.
The other likely cause of failure is a circuit board failure that is not readily visible. To confirm,
connect the non-functioning lift to a board from service parts or from another lift. (There is no
need for a complete board installation: the replacement board used for confirmation can be
hooked up provisionally outside the lift.)
On/Off Buttons (and/or Emergency Lowering Buttons) On Hand Control and Lift do not
Work
Check the Emergency Shut-Off with Pull Cord. If it has been activated during an emergency, call
customer service. If it has been activated accidentally push the button towards the lift until you
hear a click. This will allow you to operate the lift again. If the lift still fails to operate examine the
Emergency Shut-Off assembly to make sure it is not obstructed and activates and deactivates
the switch, repair as required. If the problem persists, replace the Emergency Shut-Off switch.
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