PSU Series Programming Manual
166
Error Messages & Messages
The following error messages or messages may appear on the PSU
screen during operation.
Error Messages
Description
OHP
Master & slave board over temperature protection in
PSU
OHP1
Master board over temperature protection in PSU
OHP2
Slave board over temperature protection in PSU
ALM SENS
Sense Alarm
HW OVP
Hardware over voltage protection
AC
AC fail
OVP
Over voltage protection
OCP
Over current protection
FAN FAIL
Fan failure
SHUT DOWN
Force shutdown
Err 001
USB mass storage is not present
Err 002
No (such)file in USB mass storage
Err 003
Empty memory location
Err 004
File access error
Err 007
Slave occurs Off-line (Multi-drop mode)
Normal Messages Description
MSG 001
External control of output. Output off (F-94=0,
High=on)
MSG 002
External control of output. Output off (F-94=1,
Low=on)
Communication
Interface Messages Description
USB ON
Rear USB port connected to PC
USB OFF
Rear USB port disconnected from PC
MS ON
Mass storage plugged into front USB port
MS OFF
Mass storage removed from front USB port