6. Malfunctions
17
6.1 Emergency lowering
Vehicle emergency lowering only to be carried
out by competent persons.
Danger to life due to electric shock
while working on open control cab-
inet.
Only electricians are permitted to work on the
open control cabinet.
Never touch live components.
Emergency lowering during power failure
1. Wait for the end of the power failure, if possible.
2. Then lower the vehicle in normal operation.
If there is no power supply, the vehicle can be
lowered by connecting a 24 V external power
supply.
1. Connect external power supply 24VDC, 6A ac-
cording to circuit diagram on control cabinet
(e.g. truck or forklift battery).
2. Switch on lift.
3. Switch on synchronized operation.
4. Lower the vehicle slowly as described in chapter
5.13 “Operation without controls”.
5. Remove external power supply.
6. Have malfunction repaired by electrician.
Lift secured during malfunction. Condition
cannot be acknowledged.
1. Check according to malfunction list in chapter 7
if “FOR” mode is permissible.
2. If permitted, lower the vehicle slowly as de-
scribed in chapter 5.13 “Operation without con-
trols”.
3. Clear malfunction. Contact authorized customer
service, if necessary.
Lowering with FOR with defective solenoid
valve
1. Correct horizontal vehicle position with lifting
button ( chapter 5.13, Operation without
controls).
2. Open the maintenance door on the defective
lifting cylinders to have free access to hydraulic
components.
3. Loosen locking screw (6) approx. 2 turns. The
load does not lower.
4. Exit danger area under the vehicle.
5. Lower the vehicle slowly as described in chapter
5.13 “Operation without controls”.
6. Drive vehicle from the lift.
7. Close locking screw (6) again.
8. Attach protective cover and close maintenance
door.
9. Have malfunction repaired by electrician.
To Next Page
Loading...
