B&K 1787B User Manual

 

8

 
 
 
 
 
 
 
 
 

One of the first things you will want to do with your power supply is to become acquainted with the front 
panel. The exercises in this chapter prepare the power supply for use and help you get familiar with 
some of its front-panel operations. 
 
This chapter is intended for both the experienced and the inexperienced user because it calls attention 
to certain checks that should be made prior to operation. 

 

The following steps help you verify that the power supply is ready for use. 
 

Verify that you have received the following items with your power supply. If anything is missing, contact 
your nearest Sales Office. 
 
?   One power cord for your location   
?   This User’s Manual. 
?   Communication cable (optional) 
 

When you turn on the power supply, the front-panel display will light up briefly while the power supply 

performs its power-on self-test. All the VFD annunciators will light up at once. To review the display with 
all annunciators, you can check if there is any stroke loss on any annunciator. If there isn’t any response 
when you power on the power supply, please see Section 1.5 on page 10 for some service information. 

 

If the EEPROM was damaged or the latest operation data in EEPROM was lost, the VFD will display as 
follows: 
                 
 
 
 
If the calibration data in EEPROM was lost, the VFD will display as follows: 
 
 
 
 
 
 

 
 
 
 
 
 
 
 

the third conductor being the ground. The power supply is grounded only when the 
power-line cord is plugged into an appropriate receptacle. Do not operate your power 
supply without adequate cabinet ground connection.