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