ELECTRICAL ERRORS
CAUSE
CORRECTION
MECHANICAL ERRORS
CAUSE
CORRECTION
Turnstile is free wheeling
Paddles are not latched in
check manual release keyswitches
Rotor is not spining
Check bearings top/bottom
Oil or grease bearings
Blank screen on PLC but power to other devices
in the control panel
On-board fuse blown
Replace fuse and reset barrier
PLC has developed an electrical fault or had a
power spike
Change PLC
Troubleshooting Guide
Rotor has a lot of play when locked
Check paddle bolts
Tighten both paddle bolts
Turnstile making grinding noise
Top Cog/Spring assist requires lubrication
Lubricate both items
Turnstile Rotor is tight
Turnstile is out of square/level
check turnstile/frame is all square/level
Turnstile Rotor is tight
Bottom bearing is ceased
Replace bottom bearing
Turnstile Free wheels
If fail safe turnstile then solenoids may
have no power
Check solenoid relay and replace if faulty
If fail secure turnstile then solenoids may
Have permanent power
Check solenoid relay and replace if faulty
Turnstile lets more then one
Person pass through
Limit switches are not working
Adjust position of limit or replace if faulty
Access control signal set too long
Turn access signal down to 1 second
No 24DC to Plc or other devices
24V PSU faulty
Change PSU
Blown fuse
Replace fuse
D4150