ITech IT-M3900D Series User Manual page 51

Error message
Config Data Lost
NETWORKING...
FIBER MULTI MASTER
FIBER EXT UNLOCK
Exception Handling
If the instrument cannot start normally, please check and take measures by
reference to steps below.
1. Check whether the power cord is correctly connected and confirm whether
2. Check whether the power in On. The power switch is under "|" On status.
3. Check whether the power voltage matches with the supply voltage. Please
4. After multiple units are connected in parallel and powered on, the error re-
5. If the instrument still does not start, contact ITECH technical support
the instrument is powered.
refer to 2.3 Connecting the Power Cord
lated to the fiber-optic is indicated. Please refer to the following steps for
troubleshooting.
•
FIBER MULTI MASTER: Multiple units (with panel) are connected in par-
allel, please confirm whether multiple Masters are set. Select System→-
Parallel menu to reset. There can only be one single unit as the Master,
and the other single units must be set to Slave. After the setting is com-
pleted, power off and restart each single unit.
•
FIBER EXT UNLOCK: Multiple units (with panel) are connected in paral-
lel, check whether the cable connection of the fiber outer ring (TX and
RX) is closed. Then confirm that whether the System→Parallel menu is
set. There can only be one single unit as the Master, and the other single
units must be set to Slave. After the setting is completed, power off and
restart each single unit.
engineer.
Copyright © Itech Electronic Co., Ltd.
Error Description
The latest operation state of the in-
strument is lost.
The parallel operations are abnormal
and cannot finish the networking.
Multi-master conflict
The outer ring of the fiber is not
locked.
to select proper AC input.
Getting Started
39