OPERATING INSTRUCTIONS RH 340 OPeration

Motor protective relay

Layout (Fig. 2-86:)

Fig. 2-86:

1 Display (menu)

2 Key - Scrolling through display text

3 Key - Scrolling through display text

4 Cursor (Terex|O&K Service)

5 Cursor (Terex|O&K 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)