Programmable AC Source 61601/61602/61603/61604 User’s Manual
2-4
2.6 Power-on Procedure
Before turning on the instrument, all protective earth terminals, extension
cords, and devices connected to the instrument must be connected to a
protective earth ground. Any interruption of the protective earth
grounding will cause a potential shock hazard that could result in
Apply the line power and turn on the power switch on the front panel. The AC source will do
a series of self tests. The LCD on the front panel will light up and display as below:
Meanwhile, the AC source does the memory, data and communication self-test. After the
routines of the self test are done, the display shows the MODEL number, and the serial
number of the AC source, and it shows an “OK” at the right side of each test item indicating
that the item is no problem. It takes about six seconds to complete the routines of the
self-test. Then the display shows the versions of software as below.
If any failure is detected on a certain item, an “ERROR CODE” will be shown at the right side
of that item. The error messages and trouble-shooting are shown on 6.2. The test item "3.
REMOTE "shows" < EMPTY>, if the option board (with GPIB and RS-232) is not connected.
After finishing memory, data and communication self-test, the AC source do the power output
self-test. In this procedure, the output relays are in OFF status to sure not harming the load
connecting on output terminal. The AC source will program 300Vac and measure the
voltage. If the measured voltage is over 300V±5V, the power self-test is failed, and the display
will show "NG". If it's ok, the display is shown as below. Then, it changes to MAIN PAGE
automatically.
1. The user can do diagnosis if error or NG happened in power-on
self-test procedure. Please see 6.2.
OUTPUT SELF TEST < OK >
MODEL : 61602 SERIAL NO : 123456
1. DISPLAY
< OK > Ver : 1.01
2. WAVEFORM
< OK >
Ver : 1.02
3. REMOTE
< OK >
Ver : 1.03
SELF TEST
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