Chapter 7 Alarm
144
Err78 (Search for zero pulse block failed)
Potential cause Check Handle
Electronic gear related parameters are
not set legally
Electronic gear related
parameter setting
Set valid electronic gear
parameters
Err80 (Internal error 1)
Potential cause Check Handle
Parameter Settings of electronic gear
are invalid
Set related parameters of
electronic gear
Set valid electronic gear
parameters
Err81 (Internal error 2)
Potential cause Check Handle
Division by "0" occurs in the internal
operation
Related parameter setting
values, such as rated current,
rated voltage, rated speed, etc
Set the value of Valid (not 0)
Err82 (Internal error 3)
Potential cause Check Handle
The home parameters are invalid
Set the parameters related to
home
Set a valid home parameter
Err88 (Operation mode error 1)
Potential cause Check Handle
Operation mode is not set when
enabling
Set the operation mode when
enable
Enable the operation mode after
the operation mode is set
Err89 (Operation mode error 2)
Potential cause Check Handle
Set an invalid operation mode Setting the operation mode
Set a valid operation mode
based on 6502h
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