Successful AMA
1.
The display shows “Press [OK] to finish AMA”.
2.
Press the [OK] key to exit the AMA state.
Unsuccessful AMA
1.
The adjustable frequency drive enters into alarm mode. A description of the alarm can be found in the
Warnings and Alarms
chapter.
2.
"Report Value" in the [Alarm Log] shows the last measuring sequence carried out by the AMA before the adjustable frequency drive entered
alarm mode. This number along with the description of the alarm will assist you in troubleshooting. If you contact Danfoss for service, make
sure to mention the number and alarm description.
NOTE!
Unsuccessful AMA is often caused by incorrectly registered motor nameplate data or a too big difference between the motor power
size and the adjustable frequency drive power size.
Step 4. Set speed limit and ramp time
Par. F-52
Minimum Reference
Par. F-53
Maximum Reference
Table 4.14: Set up the desired limits for speed and ramp time.
Par. F-18
Motor Speed Low Limit [RPM]
or par. F-16
Motor Speed
Low Limit [Hz]
Par. F-17
Motor Speed High Limit [RPM]
or par. F-15
Motor Speed
High Limit [Hz]
Par. F-07
Accel Time 1
Par. F-08
Decel Time 1
VLT HVAC Low Harmonic Drive Instruction
Manual
4 How to Install
MG.16.A1.22 - VLT
®
is a registered Danfoss trademark
4-61
4
