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Figure 3-1. lcd power on defaults, 3 error conditions, Table 3-3. error conditions – KEPCO BHK-MG 200W (Full Rack) Series User Manual

Page 49: 4 setting local mode, Error conditions -5, Setting local mode -5, Lcd power on defaults -5, 4, b.84, Re 3-1. th, R. 3.2.3 for

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BHK-MG (OPR) 022014

3-5

FIGURE 3-1. LCD POWER ON DEFAULTS

3.2.3

ERROR CONDITIONS

Refer to Table 3-3 for how to proceed if any of the error conditions listed appear on the LCD for
more than 90 seconds. For some errors the firmware repeats the action, and if the new attempt
is successful, the error message will be deleted and normal operation will proceed.

3.2.4

SETTING LOCAL MODE

When the power supply is turned on, it is automatically set to Local mode. If remote commands
are accepted over the GPIB bus, the power supply will automatically go into Remote mode (

Rem

at the upper left of the LCD). Pressing the LOCAL key will restore Local mode. When in Remote
mode, all keys except LOCAL are disabled.

TABLE 3-3. ERROR CONDITIONS

LCD DISPLAY SHOWS

ACTION

WARNING

When the microprocessor is not able to complete its power up
sequence, it is possible that uncontrolled high output voltage may be
present at the output. Turn off power supply immediately and discon-
nect any load. Measure the output using a voltmeter set to measure
the maximum voltage that can be delivered by the power supply.

PROM FAILS CHECK

Refer unit for service by authorized personnel.

RAM FAILS CHECK

Refer unit for service by authorized personnel.

NvRAM & Dpot Err

Restore Factory Calibration as described in PAR. 4.7, then verify that the
programmed voltage output is accurate. If problem continues, refer unit for
service by authorized personnel.

NVRAM STATUS ERROR

Restore Factory Calibration as described in PAR. 4.7, then verify that the
programmed voltage output is accurate. If problem continues, refer unit for
service by authorized personnel.

PAGE FAILS CHECK

Refer unit for service by authorized personnel.

CNFG FAILS CHECK

Restore Factory Calibration as described in PAR. 4.7, then verify that the
programmed voltage output is accurate. If problem continues, refer unit for
service by authorized personnel.

Completely blank, or a blinking

underline in the upper left corner

Refer unit for service by authorized personnel.

Loc

OFF
0.000A

0.000V

(:_:_:)

NOTE:

(:_:_:)

indicates blinking colon (:), Command Entry status

(=_=_=)

indicates blinking equal sign (=), Data Entry status

**** indicates previously set current scale. High indicates high range, Low indicates low range.

Loc

CV
0.000A

0.000V

(:_:_:)

(a) Default Display State for OUT OFF

@ Pwr-Up Selection (PAR. 3.2.7.4)

(b) Default Display State for OUT ON

at Pwr-Up Selection (PAR. 3.2.7.4)

I****

I****