Ceilometer CT25K
CT25K-U059en-2.1 User’s Guide
99
8. REPAIR
8.1 General
Replacing a subassembly comes into question when there is reason to suspect
that malfunction of the Ceilometer CT25K is caused by a fault in that
subassembly.
CAUTION
Servicing the equipment must be performed by qualified
personnel.
NOTE
Return instructions
In case a suspected subassembly is returned to Vaisala,
please pack the shipment board using good quality ESD
protection bag with suitable cushion material in a strong
box. Please also enclose a paper with your contact
information and detailed description of the problem inside
the same box.
8.2  Writing conventions used
Replacement of a subassembly may require parameter settings that are
specified in the description of that subassembly. The commands are expressed
in this manual as follows:
COMMAND↵
where:
COMMAND  command given by the user, can consist of several
command words (and parameters) e.g. GET
STATUS↵
↵ symbolizes pressing the ENTER key
NOTE
All words of the commands shall be separated from each
other by a space character i.e. by pressing the space bar.
Every user command must be ended by pressing the ENTER key, illustrated in
this manual by  ↵.