Ceilometer CT25K
User’s Guide CT25K-U059en-2.1
98
7.3 Failure Diagnosis
In case of malfunction do the following:
1. Check the cable connections (see 2.5).
2. Check the presence and correctness of the line voltage.
3. Check the operation states of the LEDs in the unit (see 3.1).
4. At the data line, check that the connection and the configuration is correct
(see 1.2.4 and 2.5).
5. Switch on the unit (see 3.1, all switches to position ON).
6. Check the data messages by using the maintenance terminal (see 4.4).
7. Check the adjustment of the unit (parameters, see 4.6).
8. Check the status message (see 4.4.11).
The diagnosis is made on the basis of the information given in the status
message (see 7.2 ).
NOTE
Service has to be done according to instructions given in
this manual and are allowed for trained personnel only. As
a principle, customer made repairs are restricted to
replacement of subassemblies only.
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