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ELECTRONICS PROBLEMS
This category encompasses problems with the relays, microswitches, capacitors, resistors, interface
board, wiring, and controls. Troubleshooting the electronics of both bell crank and modular basket
lifts is simply a process of verifying current flow through the individual components up to and in-
cluding the motor. Using a multimeter set to the 250 VAC range, check the connections on both
sides of the component for the presence of 120 VAC.
The simplified wiring diagrams that follow identify the components and wiring connection points.
LEFT
M
GEAR MOTOR
TERMINAL
CONNECTOR
RIGHT
M
NGH
LEFT
MICROSWITCH
RIGHT
MICROSWITCH
NO NC
C
NC NO
C
23 4 56 1
DISCONNECT
NO
NC
C
L
TM
NO
NC
C
L
TM
LEFT TIMER
NO
NC
C
L
TM
NO
NC
C
L
TM
RIGHT TIMER
CONTROL PANEL
BASKET LIFT
Bell Crank Basket Lift Simplified Wiring Diagram
SPLICE
SPLICE