Danfoss VLT Micro Drive FC 51 Quick Manual page 19

Quick Guide
88 LCP data not compatible
89 Parameter read only
90 Parameter database busy
91 Parameter value is not valid in
this mode
92 Parameter value exceeds the
min/max limits
nw run Not While Runnin
Err. A wrong password was
entered
1) These faults are caused by mains distortions. Install a Danfoss line filter to rectify this problem.
Table 1.5 Warnings and Alarms Code List
MG02BB02
Quick Guide
X
X
X
X
X
X
X
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Occurs when copying from LCP if data are moved between
frequency converters with major differences in software
versions.
Occurs when trying to write to a read-only parameter.
LCP and RS485 connection are trying to update parameters
simultaneously.
Occurs when trying to write an illegal value to a parameter.
Occurs when trying to set a value outside the range.
Parameters can only be changed when the motor is stopped.
Occurs when using a wrong password for changing a
password-protected parameter.
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