Jula KAYOBA 002-400, Operating Instructions Manual

EN

45

The display shows 
E08: Storage error

•   Check and replace the storage 

circuit.

•   Replace the lower circuit board.

The display shows 
E10: Short-term 
motor short circuit

•   Too high torque, adapt the torque 

to the DC-motor.

•   Short circuit in motor. Replace 

the motor.

•   The machine may be blocked, 

which results in high power 
consumption in the AC-motor. 
Switch off the machine, wait for a 
few minutes and then restart. 
Lubricate the machine when 
necessary.

The display image for 
time looks normal, 
but the motor will 
not start and no error 
codes are shown 
when the START 
button is pressed.

•  Check that the cables between 

the motor unit and other parts 
are correctly connected and 
undamaged.

•  Check that the protective tubing 

is undamaged.

•   Fault on control unit circuit IGBT. 

Replace.

TROUBLESHOOTING

Function

Solution

The equipment is 
enabled, but nothing 
is shown on the 
computer unit.

•  Check that the overload 

protection has not tripped, and 
reset if necessary.

•  Check the power switch, overload 

protection and the cable between 
the drive unit and transformer.

•   Check that the cable between the 

motor unit and computer unit is 
correctly connected and 
undamaged.

•   Check that the transformer is 

working properly. Replace the 
transformer if necessary.

The display shows E01 
after activation

•  Fault on signal cable. Check that 

the cable between the motor unit 
and computer unit is correctly 
connected and undamaged.

•  Fault on computer unit. Replace 

computer unit.

•  Replace transformer.

The display shows E02 
after activation

•  Check that the motor cable is 

correctly connected. Correct the 
connection, if necessary. Replace 
the motor if this does not help.

•   Replace the computer unit if it 

smells strange.

•   Check that the input voltage is 

correct and rectify if not.

The display shows E03 
after activation

•  The display shows E03 for 5–8 

seconds after the motor starts to 
show that no speed signal has 
been received. 

•   Check that the sensor connector 

is working properly. Replace the 
sensor if the connector is 
damaged.

•   Fault on the control unit circuit. 

Replace the control unit.

The display shows E05 
after activation

•  The overcurrent protection has 

tripped. Reset the equipment.

•  The overcurrent protection trips if 

the motor is overloaded, for 
example if a part jams. Check the 
treadmill and adjust or lubricate, 
if necessary.

•  Replace the motor unit if it smells 

strange.

•  Replace the computer unit if it 

smells strange.

The display shows 
E06: Motor failure

•   The motor cable is not connected 

correctly. Connect the motor 
cable correctly.

•   Open circuit in the motor. Replace 

the motor.