Braun NUVL855RM24 service manual Barrier will

Page 20

Troubleshooting Diagnosis Chart

FUNCTION

 

POSSIBLE CAUSE

REMEDY

 

 

 

9.00

9.12 Poor plug connections

Check harness connectors A1 and A2, E1, N1,

BARRIER WILL

 

 

N2, E1, F1 and F2.

NOT OPERATE

 

 

Check power at motor. Slightly lengthen rod

UP OR DOWN

9.13 Barrier actuator motor or

WITH OVER-

actuator out of adjustment

end if release pin is difficult to remove or replace

RIDE SWITCHES

or faulty

actuator if necessary.

OR HAND-HELD

 

 

 

PENDANT

9.14 Bad power and ground

See 1.00

 

 

 

 

 

 

 

 

10.00

10.11

Faulty Outer Barrier switch

Check diagnostic LCD for Outer Barrier switch

 

 

status. Adjust or replace switch as necessary.

BARRIER

 

 

 

 

 

OPERATES WITH

10.12

Barrier occupied

Remove weight from barrier. See Outer Barrier

OVERRIDE

 

 

Occupied Calibration on page 5.

SWITCH BUT

 

 

 

 

 

WILL NOT GO

10.13

Handrail belt unlatched or

Latch handrail belt. Check connectors F1, F2, N1

UP WITH HAND-

HELD PENDANT

 

faulty harness connections

and N2.

 

 

 

 

 

 

 

 

11.00

11.11

Faulty Pressure Transducer

Check Pressure Transducer. Replace or adjust

BARRIER

 

 

as necessary. See Ground Sense Calibration on

OPERATES

 

 

page 5.

WITH OVER-

 

 

 

RIDE SWITCH

11.12

Below Stow Level switch out

Check diagnostic LCD for Below Stow Level switch

BUT WILL NOT

 

of adjustment or defective.

status. Adjust or replace switch as necessary.

GO DOWN WITH

 

 

 

HAND-HELD

11.13

Full Out switch out of adjust-

Check Full Out switch for proper operation.

PENDANT

 

ment or defective.

Replace or adjust as needed.

 

 

 

 

 

 

 

 

12.00

12.11 No power going to switches

Check power on connector A1, pins 1 and 2.

 

 

 

SWITCHES

12.12

Faulty wiring

Check continuity of wires from switches to

DO NOT

 

 

connector A2.

CHANGE

 

 

 

 

 

STATE IN

12.13

Faulty connections

Check for proper connections on each switch and

DIAGNOSTIC

 

 

on each connector on the harnesses. Replace

MODE

 

 

 

 

contact if necessary. See diagram on following

 

 

 

 

 

 

page.

 

 

 

 

Page 18

Image 20
Contents Series Warranty and Registration Instructions CongratulationsContents Lift Terminology Switch and Sensor Locations Certification Checklist Diagnostic Procedures Adjustments and Calibration Adjustment ProceduresLCD Diagnostic Codes StlvFloor Level and Inner Roll Stop Adjustments Floor Level Switch AdjustmentInner Roll Stop Adjustment Figure aFloor Level and Inner Roll Stop Adjustments Inner Roll Stop Linkage Rod Torque Tube Minimum Clearance Inner Roll Stop Occupied Sensor Adjustment Maintenance and Lubrication Lubrication DiagramMaintenance and Lubrication Schedule 7501500 4500 Cycles Troubleshooting Diagnosis Chart Function Possible Cause RemedyLift will Barrier will Contact Removal This page intentionally left blank Wiring Schematic Symbol DescriptionHydraulic Parts List Qty DescriptionHydraulic Diagram Pump Module Parts List Pump Module Diagram Exploded Views and Parts Lists Housing Assembly Parts ListHousing Assembly Carriage Assembly Parts List Carriage Assembly Platform Assembly Parts List Main Platform Assembly Main Platform Assembly Inner Roll Stop Platform Assembly Outer BarrierPlatform Assembly Front Handrail Platform Assembly Rear HandrailPlatform Assembly Front Handrail Lock Platform Assembly Rear Handrail LockProviding Access to the World CJKA-**GB
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