heinzinger PNC-Serie Betriebsanleitung Seite 68

66
Troubleshooting
Malfunction
No output voltage even
after HV button pressed
(HV indicator glows red)
No output voltage even
after HV button pressed
(HV indicator does not
glow)
Output voltage or current
cannot be adjusted by
built-in potentiometers.
Possible cause(s)
Unit set to STANDBY
mode via analog
interface circuit
Switch for analog
interface set to 'Ext.'
but no connection to
analog interface
Short circuit at end of
output cable due to
subsequent incorrect
assembly.
Unit equipped with
option 02 (interlock);
no interconnection
between pins 12 and 13
on the analog interface
Unit is equipped with
option 56 (ARC
Detection with
shutdown); this
function was triggered.
Short circuit on load
end
Reverse pole switch not
fully locked
Switch for analog
interface set to 'Ext.'
Corrective action
Change analog
interface wiring
(open potential-free
connection between
pins 9 and 10)
Set switch for analog
interface to 'Int.'.
Properly strip off the
insulation
Change analogue
interface switching
(establish connection
between pins 12 and
13)
Reset ARC detection
Eliminate short circuit
Turn reverse pole
switch until you can
feel it snap or fully
plug in slide-in
module
Set switch for analog
interface to 'Int.'