DD-75-181 R(2)
Y.T.13.07.17
17
Arıza Tanımı
Olası Nedeni
Önerilen Çözüm
Turnstile fails to lock/ free
wheels following passage
Rotor gets stuck
intermittently during rotation
No response to input/reader
device. No access
No passage confirmation
contact out of control board
Turnstile free wheels in one
direction
Turnstile unlocks upon input
but motor does not run
(motorized models)
Motorized rotor keeps
moving/ fails to stop in
middle position.
Motorized rotor turns too
slow and times out/ alarm
activated.
1.
Dislocated, broken lock lever spring
2.
Solenoid failure
3.
Loose or faulty photo sensor
1.
Loose or broken ratchet spring
1.
Loose/incorrect reader connection
2.
Reader fault
3.
Faulty control board
1.
Loose connection at output terminal
2.
Faulty control board
1.
Dip switch 3, 4 might be set for free
passage (see 5.4.2)
2.
Loose solenoid connector
3.
Loose lock lever spring
4.
Jammed lock lever
1.
Loose motor/ motor driver board
connection
2.
Tripped motor driver protection circuit
breaker or blown fuse
3.
Faulty motor driver board
4.
Faulty motor
1.
Loose photo sensor connector
2.
Misaligned, bent or contaminated photo
sensor
3.
Faulty photo sensor
1.
Too low motor speed setting on motor
driver board
2.
Loose or oil contaminated drive belt
slipping
1.
Repair/ replace lock lever spring
2.
Replace solenoid.
3.
Re-connect, replace photo sensor
1.
Re-install/ replace spring
1.
Check/repair reader connections
2.
Replace faulty reader/input device
3.
Replace control board
1.
Repair connection
2.
Replace control board
1.
Set dip switches ‘off’
2.
Re-insert connector
3.
Repair lock lever spring
4.
Repair lock lever
1.
Repair/ tighten connection
2.
Do a power off reset/ replace blown
fuse
3.
Replace motor driver board
4.
Replace motor
1.
Repair/tighten photo sensor connector
2.
Adjust/ clean photo sensor
3.
Replace photo sensor
1.
Increase motor speed (turn speed
control in ccw direction) on motor driver
board
2.
Clean/ tighten drive belt
Lock lever action must be free and smooth.
Clean and apply light machine oil if lock
lever is jamming.
Photo sensors must be symmetrically aligned with
the disc slot at stop position and never in contact
with moving parts. Keep free of dust, grease etc.
LOCK LEVER MOVEMENT
PHOTOSENSOR ALIGNMENT
Description of Fault
Possible Cause
Recommended Action
