LU-VE Emeritus LU1W Manual De Usuario página 153

If the alarm is automatic, once the cause of the alarm is resolved, its screen disappears. If the alarm requires a manual
reset, delete the cause of the alarm, display its screen and press the ENTER key for 3 sec.
The complete list of alarms is given in chapter 13 ALARMS.
From the user menu, you can access the HISTORY menu which contains the list of the last 100 alarms that occurred.
Alarms are shown in the timeline, starting with the most recent one; press the ENTER key to scroll through the list.
You can clear the alarm history using the command ERASE HISTORY in the ADVANCED menu: setting the parameter to
YES deletes the alarm history; at the end of the procedure, the parameter automatically returns to NO.
The alarm history can be erased via MODBUS by the register:
MODBUS MODBUS
Name and Description
Register Register
Parameter
Base 0 Base 1
PH99
0x082F 2096 alarm history erase
LU1W - User Manual
Default
Data Type and Notes
value
1= launch the command
to erase the alarm
history (it return
automatically to 0)
- unsigned short int
30
Min Max
0 0 1
REV.1.1 – 07/11/2017 - ENG
MODBUS
Decimal
Register
positions
Type
0 holding