Service Manual
Hako GmbH
Technical Service (KUD) 23843 Bad Oldesloe
Edition: 05/2014
Confidential - For internal use only!
6.5.1 Error Messages
Errors are displayed via LED.
Flashing code Error message
Description
1
LOGIC FAILURE #1
Error in the current monitoring at the main contactor
1
WATCH DOG
Error in the logic and/or program
1
EEPROM KO
Error in the area of the EEPROM
2
INCORRECT START
Error in the start sequence
2
FORW + BACK
Both travel drive directions apply simultaneously
3
CAPACITOR CHARGE
Error in the power unit
3
VMN NOT OK
Error during test of the drive motor power controller (armature circuit))
3
VFIELD NOT OK
Error of the field voltage
4
VACC NOT OK
Error of the accelerator pedal signal (potentiometer)
4
PEDAL WIRE KO
Error in the driving switch wiring
5
NO FIELD CURR
Error in the connection to field winding or in the current detection
5
HIGH FIELD CUR
Error in the connection to field winding or in the current detection
5
STBY I HIGH
Error in the armature current detection
5
I=0 EVER
Error in the armature current detection
6
CONTACTOR DRIVER
Error in the contactor activation
6
COIL SHORTED
Contactor coil short-circuited
6
CONTACTOR CLOSED
Error at main contactor contact
7
TH PROTECTION
Controller temperature exceeding limits (<70°C or > -10°C)