Autoquip GATES VERTICAL ACTING - Manual (Page 42)

42
DANGER !
Troubleshooting and maintenance on the lift should only be
performed by qualified service technicians!!
PROBLEM POSSIBLE CAUSE AND SOLUTION
Powered Gate will not raise
or lower (motor not running
or “humming”).
.
• The main line disconnect switch is open (off).
Check and close.
• The main distribution panel circuit breaker is
tripped or a fuse is blown. Check and reset or
replace as necessary.
• The main line fuse disconnect fuse is blown.
Check and replace.
• The “UP” push button or circuit is
malfunctioning. Check at the other push button
station for “UP” function. Check components
and circuit. Repair or replace.
• The motor starter overloads (M10L) have
tripped. Check and reset. If it trips again, check
for cause in the motor circuit.
• The control transformer fuse is blown. Check
and replace.
• The motor starter coil (MI) has burned out.
Check and replace. (Will usually blow the control
transformer fuse.)
• The limit switch tripped or is malfunctioning,
preventing the “UP” command. Check with the
lift at a lower level on stops.
TROUBLESHOOTING ANALYSIS