Advanced Instruments 4250, User Manual

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- A foreign object has fallen into the product.
- The product has been dropped or damaged by a falling object.
- There are noticeable signs of overheating or a burning odor.
- The product does not operate normally when you follow the oper-
ating procedures.
- The main supply fuse(s) or any internal fuse(s) continually fail.
• A discharge of static electricity from contact with the human body or
other conductor may damage system boards or static sensitive
devices. Never perform internal maintenance without following rec-
ommended static protection procedures.
• The product is equipped with operator accessible fuses. If a fuse
blows, it may be due to a power surge or failure of a component.
Replace the fuse only once. If the fuse blows a second time, it is
probably caused by failure of a component part. If this occurs, refer
service to qualified service personnel. Always replace the fuse with
one of the same rating, voltage, and type. Never replace the fuse
with one of a higher current rating.
• When servicing the product, use only factory-specified parts.
• The product contains an integral lithium battery that is not user-
serviceable.
WARNING: When returning this product for service, or shipping this
product to a second location, remove all heat transfer
fluid and hazardous specimens and decontaminate the
product before packaging for shipment. If the product
cannot be decontaminated, consult with your shipping
agent on appropriate packaging and marking.
Obtaining service
Before contacting Advanced Instruments for Hot-Line
®
Service, be sure
to read through this user's guide for instructions on routine adjustments,
Advanced
®
Cryoscope Model 4250 User’s Guide
44