Chapter 7 ___________________________________________________________ Troubleshooting
VAISALA_______________________________________________________________________ 95
CHAPTER 7
TROUBLESHOOTING
This chapter describes common problems, their probable causes and
remedies, and contact information for technical support.
Troubleshooting Procedure
The goal of troubleshooting is to locate the cause for the potential
problem. Failure situations are usually caused by dirt in optics or
unclarity of the optical path. Also external conditions or the following
replaceable subassemblies may be the source of problems:
- CLE321 Ceilometer Engine Board
- CLT321 Ceilometer Transmitter
- CLR321 Ceilometer Receiver
- CLM311 Laser Monitor Board
- CLP311 AC Power
- CLB311-115/230 Blower
- CLH311-115/230 Heater
- 226296 Coaxial cable
- 4592 Battery
If damage is suspected in a subassembly or a board, replace it with a
spare part and send the defective part to Vaisala for repair/replacement.
NOTE
Replacements must only be performed by qualified maintenance
personnel, and they must be done according to the instructions in Chapter
8, Repair, on page 103. As a principle, customer m
ade repairs are
restricted to the replacement of subassemblies.
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