Page 16
FUNCTION POSSIBLE CAUSE REMEDY
4.11 Barrier Down LED (D29) illuminated
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4.13 Remote not working properly
4.00
LIFT WILL
GO UP WITH
OVERRIDE
SWITCH BUT
NOT WITH
REMOTE
Barrier is down, barrier release pin partially out
or Barrier Down switch out of adjustment. Make
adjustments as necessary.
&KHFN)XOO2XWVZLWFKIRUSURSHURSHUDWLRQDGMXVW-
ment. Replace or adjust as necessary.
Check for Up LED D20 when hitting Up button on
remote. Check battery in remote. Replace bat-
tery/remote as necessary.
5.11 Hydraulic Down valve bad
5.12 Dirty Down valve (clogged)
5.00
LIFT WILL
NOT GO
DOWN WITH
MANUAL
OVERRIDE
OR WITH
REMOTE OR
GOES DOWN
SLOWLY
OR DRIFTS
DOWN BY
ITSELF
Check for power on valve “T” wire going to so-
lenoid when pushing manual override or remote
button. Replace if necessary.
)OXVKYDOYHE\SXVKLQJPDQXDORYHUULGHXSDQG
down buttons at same time for 4 to 5 seconds
several times.
Troubleshooting Diagnosis Chart
6.00
LIFT WILL GO
DOWN WITH
OVERRIDE
BUT NOT WITH
REMOTE
)XOO2XW/(''QRWLOOXPLQDWHG
&KHFNIRUSURSHURSHUDWLRQRI)XOO2XWVZLWFKZLWK
LED on P.C. board. Replace or adjust switch as
necessary.
7.00
LIFT WILL NOT
GO OUT WITH
OVERRIDE OR
REMOTE
7.11 Defective self-reset breaker
7.12 No power on terminal 9
7.13 Interlock circuit incomplete
7.14 Poor plug connections
7.15 Bad in/out motor
7.16 Bad power and ground
Check for power through 20 amp self-reset breaker.
Replace if necessary.
&KHFNYHKLFOH'RRU)XOO2SHQVZLWFKDQGZLULQJ
9HULI\LQWHUORFNLQVWDOODWLRQ
Check harness connections A1, A2, B1 and B2
Check power at motor. Replace motor if necessary.
See 1.00
8.00
LIFT WILL NOT
STOW WITH
REMOTE
)DXOW\%HORZ6WRZVZLWFK%HORZ
Stow LED (D24) not illuminated
8.12 Pressure LED (D18) illuminated
Check for proper operation of Below Stow switch.
Remove weight from platform. See Platform
Sense Calibration on page 5.
