Yaskawa Portable Control Display Unit - Manual (Page 56)

6 TEST MENU
50 Diagnostics
01/22/96
Once the Power Conversion Unit
Diagnostic function has been accessed, the
PCDU will display:
This message is intended to act as an
interlock to make certain that the operator
is aware that the PCU DIAGNOSTICS
function is about to begin.
• Press the F3 key. The Power
Conversion Unit will begin the
component testing.
Various messages describing the progress
of the testing will appear. After the testing
is complete, the PCDU displays the
message “(press ESC)” on the bottom line.
The top line will display one of several
messages depending on the result of the
tests.
◊
The PCDU displays the following if
it detects one or more blown fuses:
The “F1”, “F2”, and “F3” designators
annunciate which fuses are bad. For
example, if fuse F2 is bad, the display will
be:
Bad Fuses : F2
(press ESC)
Bad Fuses : F1 F2 F3
(press ESC)
Press F3 to
start PCU tests.