6. Troubleshooting
6.2 Error messages
Error code
Problem
Cause
Recommended Action
E1
Imbalance
error
• Asymmetrical placement of tubes.
• Irregular volume of sample in tubes.
• Loosened rotor to the shaft.
• Swaying or operation the unstable
ground.
• Check the tightness of rotor loading.
• Check the proper loading of tubes.
• Check the stable ground or worktable.
E2
Over speed
• 2% over the set RPM.
• Incorrect tuning of motor and controller.
• Check controller and motor.
• Switch power on/off and re-start.
E3
Motor
overheat
• Temp. hike inside of motor.
• Check the stator of motor.
• Switch power off, restart after 1 hour.
E4
Low speed
• Deficiency, not reaching 200RPM within
2 secs.
• Check controller and motor.
• Switch power off and re-start.
E5
Door
open(Start)
• Door open during operation.
• Check door-in switch.
E6
Under
speed
• 2% under the set RPM during operation.
• Switch power off and re-start.
E7
System
error
• Error of controlling system.
• Overload of motor, damage of IPM
module.
• Switch power off and re-start.
• contact Hanil A/S center.
E8
Door
Open(Stop)
• Door not open in the stop status.
• Check door-in switch.
E9
Door Close
error
• Door not close in the stop status.
• Check door-in switch.
E10
Over Temp.
• Over the pre set limit.
• Re-set the preset value of the limit.
(The value of L-Cal of the preset menu)
E11
Temp.
Sensor error
• Temp sensor connector has not
connected.
• Check the connection of mainboard
connector.
│ 15
