Troubleshooting Diagnosis Chart
WARNING
Troubleshooting and repair procedures must be performed as specified by au- thorized service per- sonnel only. Failure to do so may result in serious bodily injury and/or property damage.
If a problem occurs with your lift, discontinue operation imme- diately! Do not attempt repairs yourself. Contact your dealer or call The Braun Corporation at
The cause of the problem can be determined by locating the lift function and related symptom in the Troubleshooting Diagnosis Charts. The specific cause and
remedy can then be determined by process of elimination. A Electrical Schematic, Hydraulic Diagram and Hydraulic Schemat- ic are provided to aid in trouble- shooting.
A Repair Parts section with ex- ploded views and corresponding parts lists is also provided. Cor- rect the problem if possible. If the problem continues, contact The Braun Corporation.
FUNCTION
POSSIBLE CAUSE | REMEDY |
| 1.11 | Low battery | Check vehicle battery | |
| 1.12 Bad ground | Check for good ground between vehicle chassis | ||
|
|
| and 3/8” bolt on back of power pack. | |
1.00 | 1.13 | Poor plug connections | Check all plugs for proper contact. | |
NO |
|
|
| |
OPERATION | 1.14 | Blown fuse | Check fuses on P.C. board. | |
| 1.15 | Circuit Sentry | Reset circuit breaker. | |
| 1.16 | Defective Interlock | Check for voltage on red wire with gray stripes in | |
|
|
| interlock plug connected to P.C. board. | |
|
|
| ||
|
|
|
| |
| 2.11 Hydraulic Down valve open | Flush valve by operating Up and Down manual | ||
|
|
| override switches at same time for 4 to 5 seconds | |
2.00 |
|
| several times. | |
|
|
| ||
PUMP RUNS | 2.12 | Pump mounted horizontal | Power pack must be mounted vertically. | |
BUT WILL | ||||
NOT LIFT | 2.13 | No oil (low) | Check fluid level. Use 5606 aviation fluid only (part | |
PLATFORM | ||||
|
|
| 87010R). Check fluid level with platform lowered | |
|
|
| fully. Fill to within | |
|
|
| tube (neck). | |
|
|
| ||
|
|
| ||
3.00 | 3.11 Up Solenoid | Check for power on pump black wire going from | ||
|
| solenoid to motor. | ||
PUMP DOES |
|
| ||
|
|
| ||
NOT RUN WITH | 3.12 Bad power and ground | See 1.00 | ||
OVERRIDE | ||||
|
|
| ||
SWITCH OR |
|
|
| |
|
|
| ||
PENDANT |
|
|
| |
|
|
|
|
Page 16