Service Manual
Hako GmbH
Technical Service (KUD) 23843 Bad Oldesloe
Edition: 05/2014
Confidential - For internal use only!
Some monitoring functions are realized via the controller.
Four sections are supervised:
1) Upon switching ON (key switch ON)
-
Self-test of controller
-
Current sensor
-
Power controller of drive motor
-
Contactor activation
-
Driving direction signal
-
Setpoint
2) Idle-circuit condition (ignition ON/no function)
-
Self-test of controller
-
Power controller of drive motor
-
Contactor activation
-
Current sensor
-
Setpoint
3) Driving
-
Self-test
-
Power controller of drive motor
-
Current for contactor activation
4) Continuously
-
Temperature of power unit
-
Battery voltage
Additionally the drive controller monitors some safety functions of the machine electric.