2 preliminary operational check, Preliminary operational check -7, Output is off ***v ***a – KEPCO MBT Series User Manual
Page 31

MBTSVC 111609
2-7
2.5.2
PRELIMINARY OPERATIONAL CHECK
A simple operational check after unpacking and before equipment installation is advisable to
ascertain whether the power supply has suffered damage resulting from shipping. Refer to Fig-
ures 2-1 and 2-3 for location of operating controls and electrical connections. Tables 3-1 and 3-
2 explain the functions of operating controls/indicators and keypad keys, respectively.
WARNING
BEFORE APPLYING THE A-C SOURCE TO THE POWER SUPPLY, VER-
IFY THAT THE LINE VOLTAGE TO BE SUPPLIED MATCHES THE POSI-
TION OF THE AC INPUT SELECTOR SWITCH AT THE REAR PANEL
(FACTORY DEFAULT IS 115V).
1. With no load connected, set POWER circuit breaker to the ON position. As shown below, the
alphanumeric display indicates the model and options; VOLTAGE MODE status indicator is
on, all other status indicators are off.
2. After approximately 2 seconds, the display changes to:
3. Rotate VOLTAGE control first clockwise, then counterclockwise; verify voltage shown on dis-
play increases for clockwise rotation and decreases for counterclockwise rotation. If the volt-
age control has no effect, refer to PAR.s 3.2.2 and 3.2.2.2 to check whether the adjustments
are locked; unlock adjustments if necessary.
NOTE: If the voltage (or current) does not increase beyond a certain point, press SHIFT then
“.” keys (STATUS command) to see the overvoltage protection (OVP) and overcurrent
protection (OCP) values. Refer to PAR.s 3.2.2 and 3.2.2.5 set new values if necessary.
4. Verify short beeps are audible when VOLTAGE control is rotated. If beeps are not heard
refer to PAR.s 3.2.2 and 3.2.2.1 to check whether the speaker is disabled; enable speaker if
necessary.
5. Rotate CURRENT control first clockwise, then counterclockwise; verify current shown on
display increases for clockwise rotation and decreases for counterclockwise rotation. Verify
short beeps are audible when CURRENT control is rotated.
VOLTAGE
MODE
CURRENT
MODE
POLARITY
REVERSED
REMOTE
OUTPUT
ENABLED
STATUS
KEPCO, INC.
MBT 100-3.6MGR
VOLTAGE
MODE
CURRENT
MODE
POLARITY
REVERSED
REMOTE
OUTPUT
ENABLED
STATUS
Output is OFF
***V ***A
NOTE: ***V and ***A are the output volt-
age and current settings in effect
at time of last operation (for first
time use, the voltage and current
are set to 0).