2.3 Modes
If the MODE button is pushed, a selection of possible running modes appears in the fourth display line.
Using the and buttons moves the cursor, and the appropriate mode can be selected by pressing the SEL button:
Mode Description
SEMI • The display buttons (START, STOP, GB ON, GB OFF) are active and can be used by the operator.
• The regulators are also active, that is, the speed control will bring the generator to nominal speed upon start.
• When pushing a breaker button for closing, the AGC will synchronise (if allowed) the breaker. When the breaker
closes, the controls stop.
TEST • The controller will start the generator, carry out the test sequence (pre-defined time period) and stop the generator
again. Subsequently, the generator will return to AUTO or SEMI-AUTO mode. The mains breaker will remain closed,
and the generator breaker will remain open. NOTE: The test running can be: Simple test: starting the genset without
closing the GB; Load test: parallel to the mains and take load to a pre-defined value; Full test: transfer the load to the
genset and open the MB.
AUTO • The controller will automatically carry out the control type selected (AMF, fixed power, and so on).
• The display control buttons (START, STOP, GB ON, GB OFF) are disabled.
• Mains controller in local (parameter 8021): If the selected running mode is fixed power, mains power export, load
takeover or island, timer start/stop (week watch) or binary input, then start/stop can be used.
MAN* • The display buttons (START, STOP) are active and can be used by the operator.
• The regulators are not active, that is, speed (and voltage) control has to take place using binary inputs for UP and
DOWN control.
• The breakers will be able to open or close at any time. A synchronisation check will always be performed to ensure
safe closing of the breakers.
BLOCK • The controller will not be able to start the equipment. BLOCK mode can be selected during standstill and the
password is needed to exit BLOCK mode. If BLOCK mode is selected while the genset is running, the mode will have
no effect until the genset is stopped. To select another mode after BLOCK mode, the password must be entered.
*Note: Manual mode is not available on the German controller.
To return to the other display functions from MODE selection, press the BACK button.
OPERATOR'S MANUAL 4189340690E EN Page 10 of 24
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