
1 minute read
OPERATING INSTRUCTIONS Operation
Motor protective relay
Layout (Fig. 2-54:)
Fig. 2-54:
1 Display (menu)
2 Key - Scrolling through display text
3 Key - Scrolling through display text
4 Cursor (Terex Germany Service)
5 Cursor (Terex Germany Service)
6 Key - Escape (starts the main menu)
7 Key - Enter (release of motor protective relay after a fault
8 Indicator lamp - Ready
9 Indicator lamp - Motor under tension
10 Warning lamps (fault indication)
A fault in the motor system triggers the motor protective relay shutting off the electric motor automatically.
Depending on the fault, one of the warning lamps (10) lights up.
After rectification of the fault: depress key (6) ESC depress key (7) ENTER; a menu appears on the display screen (1) depress keys (2) or (3) until "RESET Trip / Target" appears depress key (7) ENTER; preset option "YES" is displayed depress key (7) ENTER once again indicator lamp (8) is lit up (motor protective relay functional)