Danfoss VLT Micro Drive FC 51 Quick Guide

88 LCP data not compatible X Occurs when copying from LCP if data are moved between
frequency converters with major dierences in software
versions.
89 Parameter read only X Occurs when trying to write to a read-only parameter.
90 Parameter database busy X LCP and RS485 connection are trying to update parameters
simultaneously.
91 Parameter value is not valid in
this mode
X Occurs when trying to write an illegal value to a parameter.
92 Parameter value exceeds the
min/max limits
X Occurs when trying to set a value outside the range.
nw run Not While Runnin X Parameters can only be changed when the motor is stopped.
Err. A wrong password was
entered
X Occurs when using a wrong password for changing a
password-protected parameter.
1) These faults are caused by mains distortions. Install a Danfoss line lter to rectify this problem.
Table 1.5 Warnings and Alarms Code List
Quick Guide
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Danfoss VLT Micro Drive FC 51 Specifications

General

Enclosure	IP20
Output Voltage	0-100% of supply voltage
Altitude	Up to 1000 m without derating
Power Range	0.18-22 kW
Control Method	V/f
Communication	Modbus RTU
Protection Features	Over-voltage, under-voltage, over-current, over-temperature
Ambient Temperature	-10°C to 50°C
Storage Temperature	-25°C to 65°C
Relative Humidity	5-95% (non-condensing)
Input Voltage	200-240 V, 380-480 V
Braking Function	Integrated braking chopper (optional)