User Interface; Leds - ABB Tmax T7 Operating Instructions Manual

3.4. User interface

A graphic display and a push-button panel provide all the available settings and information.
1 2
7
Ref. Description
1 Serial number of the protection release
2 State led
3 Test connector
4 Graphic display
5 Main push-button panel
6 Label and Led of internal module PR330/V
7 Label and Led of internal module PR330/D-M
8 Rating plug
9 "i Test" button
3.4.1.

LEDs

The 2 front leds provide information about the state of the protection release and CB.
Both leds function when the unit is on.
Signal Colour State
OFF
ALARM Red ON (Flashing @1Hz)
ON (Fixed)
OFF
ON (Flashing @0.5Hz)
ON (Flashing @1Hz)
WARNING Yellow
ON (Fixed)
B0431
Mod.
3
8
Description
No protection or delay alarm
Delay in progress for one or more of the following protections: current (L,
S, G), voltage (UV, OV, RV), frequency (OF, UF), active power reversal (RP),
phase unbalance (U)
Alarm for one or more: Contact wear, Temperature
Connection error of one or more: Rating Plug, Trip Coil , Key plug error,
Current sensors
Installation error
Internal error (ABB assistance required)
No CBB error or alarm
OT protection in prealarm
OT protection in alarm state
Protection L prealarm
Protection U alarm with trip disabled
Distorted wave form with > 2.1 Form factor
Contact wear within range: 80%<CW<100%
Iw WARNING threshold exceeded
CB state error
Frequency off range
Configuration error
Incongruent settings
B1751
4
Apparatus
Emax X1-Tmax T7-Tmax T8
1SDH000587R0002
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Scale
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