User's Manual Part 3

RBS 2109 User’s Guide
Related RU
The RU listed below has higher priority than the RU described in this section. If
it is present, go to the related section before handling this RU.
• If ‘‘SO CF RU:34/ IDB’’ appears in the OMT, then proceed with Section
9.3.8 SO CF RU:34/ IDB on page 169
Displaying Fault Information
Display fault information according to Section 9.3.1 Reading Fault Status on
page 159.
Perform the following actions step-by-step until the fault ceases.
Checking IDB Configuration
1. Check in the OMT that the IDB configuration is correct, according to the
HW cabinet configuration, regarding defined climate system.
Checking Fan Unit
Caution!
Rotating fan blades can cause injury to body parts that come into contact with
the blades. Blades in fan units continue to rotate for a period of time, even after
the fan has been switched off. Wait until fans have stopped rotating completely
before starting work on or near fans.
2. Remove the fan unit cover.
3. Ensure that the fans rotate freely and without obstruction.
Resetting Fan Unit
4. Press the Test button on the fan unit.
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N/LZT 720 0090 Uen R1A 2004-09-17