CHAPTER 14: FAULT CODES AND DESCRIPTIONS
255 63-4528—04
Data is written to read-only
address
Check if the communication address is correct
Modbus transmission time-out
Keypad transmission time-out
Brake resistor fault
If the fault code is still displayed on the keypad after pressing
“RESET” key, please return to the factory.
Y-connection/?-connection
switch error
1. Check the wiring of the Y-connection/?-connection
2. Check the parameters settings
When Pr.07-13 is not set to 0
and momentary power off or
power cut, it will display dEb
during accel./decel. stop.
1. Set Pr.07-13 to 0
2. Check if input power is stable
It will be displayed when slip
exceeds Pr.05-26 setting and
time exceeds Pr.05-27
setting.
1. Check if motor parameter is correct (please decrease the
load if overload
2. Check the settings of Pr.05-26 and Pr.05-27
Emergency stop for external safety
Fire Mode
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