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Error Code
System
Possible Failure Points
ELV Lost
Display System
Elevation System
• The display cable is damaged.
• The elevation motor is not plugged in to the MCB.
• The elevation sensor (potentiometer) is damaged.
LCB Comm
Console is
having difficulty
communicating with
lower board
Display System
Lower Board
• Console firmware needs to be updated to the latest version.
• Correct unit model needs to be selected in the service menu.
• Lower board needs the latest firmware update via FISP.
• Lower board to console wire harness is damaged or not fully connected.
• Lower board failure.
• Console failure.
• Related docs:
Treadle ERR
(Treadclimbers only)
Drive system
Lower board failure
• Treadle optical sensors
• Treadle optical sensor wire harness
• Lower board.
• This error can be triggered as a user walks and the range of motion is
limited which prevents one of the optical sensors from triggering. This is a
soft error that will not interrupt user operation – see
Batt Low
Power system
• Battery is dead and needs to be charged.
• Machine is not being used enough to keep battery charged.
• Battery is not being sufficiently charged by drive system.
• Battery wire harness is damaged or not fully connected.
SPM Overflow
Drive System
Maximum steps
per minute exceed
maximum range for
a specific level.
• Alternator
• Alternator brushes
• Speed sensor