Appendix
Term or abbreviation Description How to do
MODULE CHECK FAIL Module detection failed Re-check after
power-off restart. If
it still fails to check,
please contact
ITECH authorized
dealer or ITECH
technical support.
ECP Current equalization
protection
HARDWARE FAIL Hardware fault
INH LATCH Disable output, turn off the
output.
For details, see
5.11.5 IO–5. INH-
Living, Not-Invert.
INH LIVING Disable output, turn on the
output.
UVP PROT Undervoltage protection For details, see 4.5
Protection Function
for Power Supply.
OVP PROT Overvoltage protection
OCP PROT Overcurrent protection
OPP PROT Over power protection
UCP PROT Undercurrent protection
OTP PROT Over temperature protection
SENSE PROT Sense abnormal protection
SRVS PROT Sense reverse protection Reconnect the test
cables.
ORVS PROT Output reverse connection
protection
FIBER MULTI MASTER Multi-master conflict When multiple mas-
ter unit are con-
nected in parallel,
multiple Masters
are set in System
menus. Just set 1
Master, and the oth-
er units are Slave.
FIBER EXT UNLOCK The outer ring of the fiber is
not locked.
Fiber multi-master
parallel: set the par-
allel in the System
menu in turn. For
details, see 5.10
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