Instructions for Use
Maintenance
16
TwisTorr 74 FS AG On-board Controller User Manual / 87-901-054-01 139/192
Maintenance
The TwisTorr 74 FS AG On-board does not require any maintenance.
Any work performed on the system must be carried out by
authorized personnel. Before carrying out any operation on the
system, it must be disconnected from the power supply line. If a fault
occurs, it is possible to use the Agilent repair service. Replacement
controllers are available on an advance exchange basis through
Agilent.
WARNING!
Before carrying out any work on the controller, disconnect it from the power
supply.
NOTE
Before returning the controller to the manufacturer for repairs, or replacement
with a reconditioned unit, the "Request for return" sheet attached to this
instruction manual must be filled in and sent to the local sales office. A copy of
the sheet must be inserted in the system packaging before shipping.
If a controller needs to be scrapped, it must be disposed of in
accordance with the specific national standards.
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