16
IRDH275BM-7_D00123_07_M_XXEN / 08/2020
Operation and setting
4
Operation and setting
4.1
Operating features and displays IRDH275BM-7
1
INFO key: to query standard information /
ESC key: back to the menu function, confirmation parameter change
2
TEST button: to call up the self test/
Up key: parameter change, moving up in the menu
3
RESET button: to delete insulation fault alarms
Down key: parameter change, moving down in the menu
4
MENU key: to activate the menu system / Enter key: confirmation parameter change
5
Alarm LED 1 lights: insulation fault, first warning level reached
6
Alarm LED 2 lights: insulation fault, second warning level reached
7
System fault LED lights: IRDH275 defective
8
Two-line display for standard and menu mode
4.1.1 Display in the standard mode
1
Indication of the insulation resistance in kΩ
2
Additional information about the insulation:
„+“
= insulation fault L+
„–“
= insulation fault L–
„s“
= new measurement has started
3
= polarity of the measuring
.
= valid bus communication
H
= new entry in the memory data
C
= flashing, clock is to be
4
Messages:
• Insulation fault
• Connection PE?
• Device error x
• *****STAND*****
ISOMETER®
IRDH275
7
6
5
4
3
2
1
8
Insulation Fault
