Ascendor PLK8 - Motor Controller Failure Codes

Maintenance and Service Manual Version 2.14 Page 15
7. Failure code motor controller
When a problem concerning the motor controller occurs, a blink code (0 or 1) will also be visible on the Ready-
LED on the main circuit board.
LED CODES
Explanation
LED off
No voltage or controller broken
continuously on
Controller ready, no failure
1.1
 
Reduction due to excessive or insufficient temperature
1.2
 
Travel control failure
1.3
 
Limiting potentiometer failure
1.4
 
Failure caused by low voltage < 17 V
1.5
 
Failure caused by voltage overload > 31 V
2.1
 
Main contactor unit failure
*
2.3
 
Main contactor broken
2.4
 
Main contactor unit short circuit
2.5
 
*
3.1
 
Collision protection activated longer than 10 seconds
3.2
 
Brake circuit failure
*
3.3
 
Fault while loading the condensers
3.4
 
Brake-circuit short circuit
3.5
 
Travel control collision protection is activated
*
4.1
 
Fault in current measurement
*
4.2
 
Fault in motor current
4.3
 
EEPROM failure
*
4.5
 
No connection to batteries (Fuse F3 broken)
* = can be deactivated by turning the main switch OFF and then ON
Note: the last three errors will be shown.
MOTORCONTR OK (green)
In addition a LED MOTORCONTR OK will
be visible on the printed circuit board
indicating errors by a flash code.