Liebert Extreme Density Chiller XDC - Manual (Page 51)

Microprocessor Control
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5.3.16 CUSTOM TEXT
This menu permits the user to set up a custom text message with a maximum length of 16 characters.
The message may use any of the following characters or a blank space:
ABCDEFGHIJKLMNOPQURSTUVWXYZ#%*-0123456789.
This custom text can be designated as the custom alarm text in the CUSTOM ALARMS menu (see
CUSTOM ALARMS above). To define the message:
1. Press the ENTER button to access the menu.
2. Use the up or down arrow key to change the character with the pointer below it.
3. Press the ENTER button to go to the next character.
4. Repeat the steps for all characters in the message (maximum of 16 characters).
5. Press the ENTER button to accept new custom text.
5.3.17 DIAGNOSTICS
This allows the user to perform checks on inputs, outputs, and conduct a test of the Liebert XDC con-
trol board from the wall box.
Entering the TEST OUTPUTS will interrupt system operation. Selecting TEST INPUTS or TEST
MICRO will not interrupt system operation. Pressing ENTER and selecting TEST OUTPUTS will
permit the user to toggle the following outputs on and off:
PUMP 1—On/Off
PUMP 2—On/Off
COMP 1A, 2A, 1B, 2B—On/Off
GREEN LAMP—On/Off
RED LAMP—On/Off
COMMON ALARM—On/Off
LLSV1, LLSV2 —On/Off
HGSV1, HGSV2 —On/Off
HGV1, HGV2 —On/Off
DEHYDRATION1, DEHYDRATION2—On/Off
Pressing ENTER and selecting TEST INPUTS will permit the user to read the following inputs:
INPUT POWER—On/Off
CONDENSATION—On/Off (condensation detection)
DIFF PRESSURE—On/Off (differential pressure switch)
CUSTOMER ALARM—On/Off
Pressing ENTER and selecting TEST MICRO will permit the user to test the microcontroller and
associated circuitry on the Liebert XDC control board.