MST Installation Instructions
Installation Instructions [email protected] +1(909) 591-8431 www.alvaradomfg.com
Page 25
Fail-safe direction will not re-lock
Troubleshooting (Cont)
Fail-safe direction will not unlock
Power Issues
Cause
Solution
Reference
Green LED is OFF
1. Verify that the power switch is in the ON position and that primary power is
provided to the turnstile.
2. Check the fuse; replace if bad.
3. Check primary power input contacts (J4) on the control board are secure and tight.
If the above steps above did not resolve the issue, contact Technical Support.
Fig. 21A - Power switch
is located on the J-box
inside the Top Channel.
Fig. 21A - Fuse is
located on the J-box
inside the Top Channel.
Fig. 28
Mechanical Issues
Cause
Solution
Reference
Incorrect springs
Verify that the springs on your unit are identical to the springs used in the illustration.
Fig. 32 (C) (D)
Springs attached incorrectly
Verify that the springs are attached correctly and in the correct mounting holes.
Mounting hole locations on unit should match the locations that are shown in the
illustration.
Fig. 32 (C) (D)
Incorrect spring tension
Depending on manufacturing date, adjust either the solenoid position or lock arm tab.
Appendix E
Lock arm binding or sticking
Clean and lubricate (see "Lubrication" section). If the lock arm is still binding, contact
Technical Support.
Fig. 32 (F)
Solenoid plunger is binding
1. Check for and remove any debris from the solenoid plunger and cavity area.
2. Use an alcohol-moistened Q-tip to clean the solenoid plunger. Do not use water or
lubricate the solenoid plunger. The solenoid is designed for dry operation.
Fig. 32 (A) (B)
Key Override will not engage
Confirm key override is fully engaging with lock arm. Adjust as needed.
Appendix F
If the steps listed above did not solve the issue, contact Technical Support.
Power Issues
Cause
Solution
Reference
Green LED is OFF
1. Verify that the power switch is in the ON position and that primary power is
provided to the turnstile.
2. Check the fuse; replace if bad.
3. Check primary power input contacts (J4) on the control board are secure and tight.
If the above steps above did not resolve the issue, contact Technical Support.
Fig. 21A - Power switch
is located on the J-box
inside the Top Channel.
Fig. 21A - Fuse is
located on the J-box
inside the Top Channel.
Fig. 28
Electronic Issues
Cause
Solution
Reference
Access Control /
Control Board
A. Disconnect all wires from terminal blocks J3 and J7.
B. Press the test switch (SW6 or SW7) and note if lock arm unlocks.
C. If the lock arm unlocks, then the turnstile is operating correctly. The issue is most
likely with the access control system. Contact Technical Support.
Fig. 28 (J7) (J3)
Fig. 28 (A) (D)
Mechanical Issues
Cause
Solution
Reference
Incorrect springs
Verify that the springs on your unit are identical to the springs used in the illustration.
Fig. 32 (C) (D)
Springs attached incorrectly
Verify that the springs are attached correctly and in the correct mounting holes.
Mounting hole locations on unit should match the locations that are shown in the
illustration.
Fig. 32 (C) (D)
Incorrect spring tension
Depending on manufacturing date, adjust either the solenoid position or lock arm tab.
Appendix E
Lock arm binding or sticking
Clean and lubricate (see "Lubrication" section). If the lock arm is still binding, contact
Technical Support.
Fig. 32 (F)
Solenoid plunger is binding
1. Check for and remove any debris from the solenoid plunger and cavity area.
2. Use an alcohol-moistened Q-tip to clean the solenoid plunger. Do not use water or
lubricate the solenoid plunger. The solenoid is designed for dry operation.
Fig. 32 (A) (B)
Key Override will not engage
Confirm key override is fully engaging with lock arm. Adjust as needed.
Appendix F
