MYERS MP Series, Installation, Operation & Maintenance Manual

Page: 44 / 149

44
2.2.3 Self Test
Purpose: Describes the Self-Test.
Caution: This procedure should not be performed
when critical loads are running that depend on the
unit for backup power.
The Self Test confirms that the unit can transfer into and out of Battery mode while supporting
the output load at the same time.
OUTPUT
ALARM
ESC
MP2000E 01/02/12
SELF TEST
Is the unit in
Line Mode?
Activate the Self Test mode in LCD display, under CONTROL
menu.
OR
Jumper TB 19 & 20 of Green Control terminal block
OR
Use Menu # 301 via RS232 / USB (Section 2.3.5)
The Output Green LED stays lit during
the self-test as long as the input AC stay
qualified.
After approximately one minute (default time), if no problem is detected, the BBS will return to the mode it was in
before the self-test was started.
If a problem is detected, the red ALARM LED will turn on solid or flash ( See Sections 2.2.12 & 2.2.13) the counter
will increment by one and the timer will accumulate the run time.
YES
Self-Test Finished
TIP: The duration of self-test can be adjusted via RS232 /
USB menu (see Section 2.3.4.4, Maintenance Menu # 30,
Battery Test Options).
Do Not Proceed until the Input Line is stable.
START
NO