Braun Corporation FMVSS No. 403 Quick Reference Installation Sheet 34274 Rev. A
4 | Calibration and Floor Level Adjustment |
NUVL855RM24 Control Board
5 | FMVSS 403/404 Certification Checklist |
Visual and Audible
Platform Sense Calibration
1. There must be no weight on platform. | |
2. | Press |
| 3" above stow level. |
3. | Press and hold control board 50# CAL. button. While pressing |
| the 50# CAL. button, press and hold the |
| STOW switch (button). The platform will lower to stow level |
| (begin stow function), and then start to raise. Release 50# |
| CAL. button immediately when platform starts to raise from stow |
| level. |
4. | After calibration, the LCD screen should read “PF OCCUPIED” |
| whenever there is 50 lbs. or more present on the platform. The |
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K |
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| J |
| J29 |
U/D | 3 |
| 2 |
| 1 |
SW_1 SW_0
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| R54 |
B | C | D |
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| R57 |
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| R55 |
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| L | J37 |
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I | H | G |
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J30 |
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3 |
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2 |
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| R52 |
1 | D/S | R60 |
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| R53 |
| J22 |
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| 10 | 5 | R61 |
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J24 | 9 | 2 | R68 | C4 |
| 8 | 3 |
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| SVC |
J | 6 | 5 |
| LIGHT |
23 |
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| J25 |
| R48 |
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3 | U5 |
R69 | D5 |
| MAG_SW |
| D4 |
| C6 |
J13 | D3 |
R76 | |
| D2 |
| R64 |
| J27 |
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| R62 | D14 |
R78 | U? |
INT 2 HI
Lift_Out Floor_SW
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| LCD MODULE |
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| REV |
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| CYCLE |
| R42 | R77 | L UP | L DN |
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| R27 |
| R41 |
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| R58 |
| DIAG | R39 | C8 |
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| BDN | BUP | R49 | ||
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| C5 | R40 |
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| U15 |
| C12 | C13 |
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J4 |
| 100 VHA | 100 VHA |
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| L IN | L OUT | R51 | ||
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| Y2 |
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| 8. | R47 | R46 |
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| R21 | 00M | R45 | R44 |
| U10 |
| C2 | R30 |
| R37 |
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| R31 | R36 |
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| R32 |
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| R34 | R35 |
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| U20 |
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R75 | C18 |
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| R26 |
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| CFK | R29 | 50# |
| FL_CL |
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R72 | 220 | U11 | MP916 |
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| CAL | Bit_1 | .5% R |
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R70 |
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| Bit_0 |
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C14 |
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| O |
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| C17 |
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C11 |
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| BAR |
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Threshold Warning
Platform 
Lighting
Threshold
Area
DOT — Public Use Lift
Public use vehicle manufacturers are responsible for complying with the lift lighting requirements in Fed- eral Motor Vehicle Safety Standard No. 404, Platform Lift Installation in Motor Vehicles (49 CFR 571.404).
50 pound platform sensing is now calibrated. |
Ground Sense Calibration
1.Press
2.While continuing to press the pendant DOWN switch, press and then release the control board O_BAR GND. button.
3.Release the pendant DOWN switch.Ground level sensing is now calibrated.
Outer Barrier Occupied Calibration
1.Press
2.Once outer barrier is fully unfolded (ramp position), release the pendant DOWN switch.
3.Press and hold the control board O_BAR GND. button. While holding O_BAR GND. button, press
4.After calibration, the LCD screen should read
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| 1 |
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| 3 |
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| LO |
| RL11 |
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| RL11 |
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| J32 | J36 |
| J6 |
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| J39 |
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4 |
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3 2 | 3 2 |
| MAT |
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1 | 1 |
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| J35 |
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GND |
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| D16 | D17 |
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| J10 | J11 |
| J9 | J8 |
PWR |
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| D13 |
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| C19 | C23 |
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| U2 |
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| D10 |
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| J15 | 220 35A | 220 35A | J14 | J16 | J17 |
| J5 | D7 |
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| D8 |
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| J20 |
| J19 |
| J21 |
| D6 | D9 |
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| LIGHTS |
| ALARM |
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| PUMP |
| B - UP | B - DN | L - OUT | L - IN |
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| R32 |
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| 1001 |
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| 1001 | R33 |
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| R34 |
| 1001 |
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| R35 |
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| 1001 |
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| 1001 |
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| C18 |
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| R26 |
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| 6C9 |
| 2400 |
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| CFK |
| R29 |
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| 50# |
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| FL_CL |
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| 220 |
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| 2051 |
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| CAL |
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| U11 |
| Bit_1 |
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| Bit_0 |
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| O |
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| V104 |
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| C17 |
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| BAR |
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| K10 |
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| K7 |
RL1
50# CAL | O_BAR GROUND |
Button | LVL Button |
Inner
Roll Stop
Dual
Outer Barrier
Platform
Floor Level Switch
The Floor Level switch stops upward travel of the platform during the Up function (activated by the torque
Note: Check the floor level position of the platform and the inner roll stop after powering the pump. Hydraulic pressure may affect platform height slightly. Fine tuning adjustment (tweaking) of the Floor Level switch may be required.
The inner roll stop must rest properly on the vehicle floor when the lift is deployed. Adjust the inner roll stop only if necessary (refer to the service manual).
Floor Level Cam | Floor Level Switch |
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Torque Tube | Cam depressing switch. |
The operations listed below must be functionally verified.
Vehicle movement is prevented unless the lift door is closed, ensuring the lift is stowed.
Lift operation shall be prevented unless the vehicle is stopped and vehicle movement is prevented.
The platform will not fold/stow if occupied.
The inner roll stop will not raise if occupied.
Verify platform lighting when lift is deployed and pendant illumination when lift is powered.
The outer barrier will not raise if occupied.
A visual and audible warning will activate if the threshold area is occupied when the platform is at least one inch below floor level.
Platform movement is prohibited beyond the posi- tion where the inner roll stop is fully deployed (up).
Lift platform movement shall be interrupted unless the outer barrier is deployed (up).
34274 Rev. A
