stertil ST1175, Service Manual

Page: 63 / 108

Operation & Service Manual (VA) 63 ST1175
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Once the calibration procedure has been completed (step 5 for each column,
program number 67 will be displayed on the displays again. The display will
however change again after approximately 30 seconds (automatic setting). The
display will now show "- -" (level), or 16 in some cases. Code 16 is not an error
message in this programming situation. Once the full procedure has been
completed, the displays will show "- -".
7.9 Corrective maintenance
7.9.1 General safety requirements for corrective maintenance
When repairing the column lifts, always set them to the lowest position.
If the malfunction makes this impossible, then ensure that all pawls are engaged in
the safety locks (lower without unlocking).
Turn off the main switch at the control box.
Do this by turning the main switch to the 0 position, then pull the mains plug.
Never loosen or remove any part of the hydraulic system without first placing the
column lifts in the lowest position or in the safety locks.
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All repairs carried out on the column lifts by persons other than the technical
service (and the consequences thereof) are entirely at the user’s own risk.

Technical service is taken to mean either the Stertil technical service or another
technical service authorized by Stertil.
7.9.2 Required knowledge
In order to be able to perform a repair on your vehicle lift, knowledge of the
following subjects should be available:

mechanical systems,

hydraulic systems,

electrical systems.
The scope of the fault and the measures to be taken should be carefully
estimated. If necessary, call help from third parties or consult your supplier.