Chapter 6 Troubleshooting; Safety Precautions - Thermo Scientific 49i Instruction Manual

Safety Precautions

Thermo Fisher Scientific
Troubleshooting
Chapter 6
This instrument has been designed to achieve a high level of reliability. In
the event of problems or failure, the troubleshooting guidelines, board-level
connection diagrams, connector pin descriptions, and testing procedures
presented in this chapter should be helpful in isolating and identifying
problems.
For additional fault location information refer to the "Preventive
Maintenance" chapter in this manual.
The service mode in the "Operation" chapter includes parameters and
functions that are useful when making adjustments or diagnosing problems.
The Technical Support Department at Thermo Fisher Scientific can also be
consulted in the event of problems. See "Service Locations" at the end of
this chapter for contact information. In any correspondence with the
factory, please note both the serial number and program number of the
instrument.
This chapter provides the following troubleshooting and service support
information:
• "Safety Precautions"
• "Troubleshooting Guides"
• "Board-Level Connection Diagrams"
• "Connector Pin Descriptions"
• "Service Locations"
Read the safety precautions in the Preface and the "Servicing" chapter before
performing any actions listed in this chapter.
on page 6-1
on page 6-2
on page 6-6
on page 6-8
on page 6-21
Model 49i Instruction Manual 6-1