English
User's Manual
of GNF001
Version 1, July 2023
- 26 -
Table 3: Data of error alarm
Symbols
Information of
abnormal
phenomenon
Troubleshooting
Error1
Imbalance. Centrifuge
stops to work because
of detection of
over-vibration
re-weight error allowed≤1.5g
①
The device is placed acclivitous and the stress is unequal,
please adjust the device to make the stress equal.
②
If the spindle motor is bent, please contact us to replace
new one.
Error 2
Over speed.
①
Problem of microcomputer control system, please contact us.
②
Problem of speed sensor. Please contact us.
Error 3
Lid cover not closed
complete
①
Please check the signal line was inserted completely
；
②
Please check lid switch circuit is open circuit or not( the
normally is closed circuit)
③
Please check the manual switch , if the have the mechanical
failure should be replaced the accessories .
Error 4
Hall sensor
failure
Please contact us to change the motor
Error 5
The brake
overvoltage
①
Please check the brake resistance was connected well or the brake
resistance was burned
②
Reduce the
（
DEC
）
value
Error 6
Overcurrent
①
Reduce the
（
ACC
）
value
②
Driver board
failure or input overvoltage
③
Motor
failure
Error 7
No speed
measurement
①
Pleaes check the
hall speed sensor, ensure the
cable is
connected well
.
②
Hall speed sensor damaged and replaced it .
③
Motor
failure
,should be replaced the motor spindle
④
Control board
failure and replaced it.
⑤
Driver board
failure and replaced it.
Error 8
communication
error
①
Please check 10 pins grey flat cable if was connect well
②
Driver board
failure and replaced it.
Error 9
Overvoltage
Ensure the
input voltage matchup the machine
rated voltage.
Error10 Lid open failure
Opening limit switch
failure
Error11
Lid close failure
Closing
limit switch
failure
Error13
Lock
failure
Please contact us
Error 15
Not reach the
required speed
Please contact us