Hioki 2300 Smart Site, Instruction Manual, Page: 179 / 366

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9 2331-20 POWER METER MODULE
9.1.3 Name and Function of the Parts
POWER LED Goes on or flashes when power is supplied to the module.
Remains on, flashes, or changes to another color according to
the state of the module.
POWER LED indication
Lit in green
: Data being recorded.
Flashing in green : Standing by.
Lit in yellow
: Alarm output.
Flashing in yellow: It indicates one of the following:
• The voltage is outside the effective measurement range.
• The current is out of range.
• The active power is a negative value.
Lit in red
: Non-recoverable error occurred.
*1
Flashing in red : Recoverable error occurred.
*2
Mark area Use this area to make a note of the object to measure or the
module ID.
Use an ink pen, since pencil lead may rub off.
Front
Back
U RANGE
switch
Module ID
setting dial
CLAMP SENSOR
INPUT terminals
ALARM terminals
Mark area
POWER LED
U INPUT
terminals