PPS20
–
User Manual Rev. 1.10
EDFelectronics JRMM Sp. z o.o. sp.k.
Rybnicka 64, Radlin 44-310, Poland
; e-mail: info@edfelectronics.eu tel.: +48 604 343 504
58
8.
A
DDITION
8.1.
T
ROUBLESHOOTING
Pos.
Error:
Problem
description:
Solution:
1.
No reaction after
powering on
–
LCD
display stays dark; no
LEDs illuminating
Probably power failure
-
check main cord
connection,
-
check fuses in the main
power socket
–
ref.. to
section
-
Replace main cord
2.
“No Interlock !!!”
message when switching
to operation mode ( HV
on)
There is no hardware
interlock connected
Check hardware interlock
connection, or check external
interlock source
–
refer to
section: 3.3.5
3.
“Interlock lost !!!
HV Off”
message on LCD display
This message appears
only when hardware
interlock is missed
during operation (
when HV ON )
Check hardware
interlock connection,
or check external
interlock source
–
refer to section: 3.3.5
4.
No output voltage, but
maximum current
appears (
„
Imax
”
on LCD
display )
The maximum current
has been exceed
Probably output shortcut
–
check cable and the load
connection
5.
No HV LED identification
on when HV ON ( max.
Current appears )
Probably output
shortcut
Check cable and the load
connection
6.
No HV LED identification
on when HV ON ( 0 V and
0mA on LCD display )
Limits are set to zeros
or internal HV module
failure
Check Limits settings
–
section:
4.3.1
7.
„Over Temperature!”
message
Internal temperature
exceeded 65
o
C during
normal operation (HV
ON)
Internal temperature too high
–
ensure the air flow on the
rear side of the PPS20 is
correct, and that external
temperature is not too high.
Clean/exchange filters
–
see
section: 6.1. Check if fans are
rotating
9.
I
NDEX