UTY 618
7
RESTRICTED
November 1995
Figure 1: Battery Maintenance Mode LEDs
102-3.
Enter the nominal AC input line voltage in Parameter 62 (Nominal Input Voltage) as
follows:
a. The display should show
P-
XX (where XX is a parameter number). Use the
[
%
LOAD
] key or the [
VOUT
] key to change the display reading to
P-62
.
b. Press [
CANCEL
].
c. Use the [
%
LOAD
] key or the [
VOUT
] key to change the display reading to the
nominal AC input line voltage (200, 208, 220, 230 or 240).
NOTE:
If the UPS has optional 380-415 VAC input, set the nominal AC input
voltage value to “240.”
d. Press [
RUNTIME
] to enter the new value.
e. Press [
CANCEL
]. The display should read
P-62
.
102-4.
Put the unit into battery maintenance mode by setting Parameter 63 (Battery
Maintenance Mode) to “1” as follows:
a. The display should read
P-
XX, where XX is a parameter number. Use the
[
%
LOAD
] key or the [
VOUT
] key to change the display reading to
P-63
.
b. Press [
CANCEL
]. The display should read
0
.
c. Press the [
%
LOAD
] key to change the display reading to
I
.
d. Press [
RUNTIME
]. The display should read
I
.
102-5.
Look at the LEDs on the UPS front panel. The
LINE
,
BYPASS
, and
ALARM
LEDs
should be on, and the
BATTERY
LED should be off, as shown in Figure 1.
CAUTION
If the front panel LEDs are not lighted as shown in Figure 1, the unit is not in
battery maintenance mode and it is not safe to service the batteries. Repeat all
of Section 102 or power down the UPS as instructed in Section 101.
NOTE:
If, after repeated attempts, the unit does not transfer to battery
maintenance mode, the AC input voltage may be out of tolerance. Call
BEST Worldwide Service for technical assistance.
