Installation Instructions 3 - 9
3.6 ACCEPTANCE TESTS
The acceptance tests
ive information about the correct operation of the
instrument after installation.
The interface test must be performed when usin
the pro
rammable power
supply for remote operation via the Controller/GPIB interface.
3.6.1 Brief check
After turnin
on your power supply, the followin
self tests on the hardware parts
will be performed automatically:
• ROM test
• RAM test
• GPIB controller test
• Microprocessor timer test
• Communication (D
2
B) test
• Display controller test
• ADDA output channel(s) test
The tests will not show up on the display unless an error is detected. In the case
of a hardware error, the followin
text + error code is displayed:
ERROR n:ddd
n = Indication of the error source.
ddd = Summation of the decimal values of the
individual errors.
The followin
error codes are possible:
n = 0: Main CPU error
DECIMAL ERROR DESCRIPTION
128 Display controller failure.
64 Bank switch failure.
32 Not used.
16 D
2
B failure.
8 IEEE controller failure.
4 Processor timer failure.
2 RAM failure.
1 ROM failure.
