Installation Instructions 3 - 9
3.6 ACCEPTANCE TESTS
The acceptance tests
g
ive information about the correct operation of the
instrument after installation.
The interface test must be performed when usin
g
the pro
g
rammable power
supply for remote operation via the Controller/GPIB interface.
3.6.1 Brief check
After turnin
g
on your power supply, the followin
g
self tests on the hardware parts
will be performed automatically:
ROM test
RAM test
GPIB controller test
Microprocessor timer test
Communication (D2B) 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
g
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
g
error codes are possible:
n = 0: Main CPU error
DECIMAL ERROR DESCRIPTION
128 Display controller failure.
64 Bank switch failure.
32 Not used.
16 D2B failure.
8 IEEE controller failure.
4 Processor timer failure.
2 RAM failure.
1 ROM failure.