Method For Resetting Alarms; Method For Resetting Fault Cause/Current, Maximum Value, Electric Energy, And Reactive Energy - Mitsubishi Electric MDU-BN Instruction Manual

7.1.3 Method for resetting alarms

• Select AL_RST from the main menu screen and press ENTER to display the allow changes screen.
• Select YES and press ENTER to reset alarms.
[Main menu screen]
PROTEC
SETTING
AL_RST
ERASE
INFO
MENU
* Reset all alarms at once. Refer to " 4.5 How to use monitoring functions " for related alarm.
* Resets PAL with alarm contact output (option).
7.1.4 Method for resetting fault cause/current, maximum value, electric energy,
and reactive energy
• Select ERASE from the main menu screen and press ENTER to switch to
the setting item selection screen.
• Switches through TRIP ⇔ EP ⇔ EQ ⇔ ALL ⇔ TRIP....
• Select an item, and then select YES on the allow changes screen and press
ENTER to decide the setting.
Other items can be set similarly.
[Main menu screen]
PROTECT
SETTING
AL_RST
ERASE
INFO
MENU
* TRIP: Resets the fault cause and the fault current, and resets LTD, STD, INST.
* Resets PAL with alarm contact output (option).
[Allow changes screen]
AL_RST
ENTER
MENU
[Setting item selection screen]
ERASE TRIP
EP
ENTER
EQ
ALL
MENU
ENTER
To [Main menu screen]
OK?
NO
YES
MENU
Select NO ⇔ YES
with UP/DOWN
● TRIP : Reset fault cause/current
● EP
: Reset electric energy(to 0 kWh)
● EQ
: Reset reactive energy(to 0 kvarh)
● ALL
: Reset load current, line voltage, electric power,
reactive power, power factor, harmonic current,
occurrence time of maximum/minimum harmonic
current content values
Electric energy, reactive energy, fault
cause/current, and alarms are not reset
Select with
[Allow changes screen]
UP/DOWN
ERASE
ENTER
MENU
MENU
50
TRIP
ENTER
OK?
To [Setting item
NO
selection screen]
YES
MENU
Select NO ⇔ YES
with UP/DOWN