1 689 989 106
2012-09-10
|
Robert Bosch GmbH
32 | VLS 3130 | Note on troubleshooting
en
8.
Note on troubleshooting
!
Should any faults occur which are not listed below, immediately de-energize the lifting platform, shut it down,
secure it against unauthorized use and inform Bosch customer service or an authorized service agent.
!
All repair work must be performed by Bosch customer service or an authorized service agent. Only genuine
Bosch replacement parts may be used. Using parts from other manufacturers will render the type approval
invalid.
Fault
Possible cause
Remedy
No motor operation.
Power failure.
Motor overheating,
thermoswitch in motor
has cut out.
Fuses defective.
Control electronics defective.
Check the power supply.
Wait 10 minutes and try again.
Request customer service.
Motor running but lifting platform
cannot be raised.
Vehicle too heavy.
Upper end position reached.
Lack of oil.
Manual lowering valve open.
Hydraulic system defective.
Check whether the permissible load-bearing capacity
of the lifting platform has been exceeded.
Check the oil level.
Manually close the lowering valve.
Request customer service.
Lifting platform raises very slowly.
Vehicle too heavy.
Intake filter blocked.
Hydraulic system defective.
Check whether the permissible load-bearing capacity
of the lifting platform has been exceeded.
Clean intake filter (service personnel).
Request customer service.
Lifting platform lowers too slowly.
No vehicle on lifting platform.
Lower lifting platform manually.
Lifting platform lowers too slowly,
vehicle is on lifting platform.
Fault in hydraulic system.
Call in customer service.
Lifting platform does not lower at
all.
Hydraulic system defective.
Power failure.
Call in customer service.
Refer to Section 9.2 Emergency lowering.
Lifting platform does not
lower fully.
"Foot protection" safety level
(300 mm) reached.
Press and hold the "foot protection" confirmation
button and fully lower the lifting platform
using the rotary reversing switch.
Noise during lifting or lowering.
Incorrect hydraulic fluid with
insufficient lubrication.
Inadequate lubrication of
scissor sliding surfaces.
Check the oil type.
(Use hydraulic fluid in accordance with ISO 6743/4!)
Lubricate the sliding surfaces.
Request customer service.
