Activate Automatic Motor Adaptation; Stop The Ama During Operation; Successful Ama; Unsuccessful Ama - Danfoss vlt FC 102 Operating Instructions Manual

®
VLT HVAC Drive Operating Instructions
Step 3. Activate Automatic Motor Adaptation (AMA)
Performing AMA ensures best possible performance. AMA automatically takes measurements from the specific motor connected and compensates for
installation variances.
1. Connect terminal 27 to terminal 12 or use [QUICK MENU] and "Q2 Quick Setup" and set Terminal 27 par. 5-12 to
2. Press [QUICK MENU], select "Q3 Function Setups", select "Q3-1 General Settings", select "Q3-10 Adv. Motor Settings" and scroll down to AMA
par. 1-29.
3. Press [OK] to activate the AMA par. 1-29.
4. Choose between complete or reduced AMA. If sine wave filter is mounted, run only reduced AMA, or remove sine wave filter during AMA
procedure.
5. Press [OK] key. Display should show "Press [Hand on] to start".
6. Press [Hand on] key. A progress bar indicates if AMA is in progress.

Stop the AMA during operation

1. Press the [OFF] key - the frequency converter enters into alarm mode and the display shows that the AMA was terminated by the user.

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 frequency converter enters into alarm mode. A description of the alarm can be found in the
2. "Report Value" in the [Alarm Log] shows the last measuring sequence carried out by the AMA, before the frequency converter entered alarm
mode. This number along with the description of the alarm will assist troubleshooting. If contacting Danfoss Service, make sure to mention
number and alarm description.
NB!
Unsuccessful AMA is often caused by incorrectly entered motor name plate data or too big difference between the motor power size
and the frequency converter power size.
Set up the desired limits for speed and ramp time.
Minimum Reference
Maximum Reference
How to programme the frequency converter, Quick Menu Mode
See the section
par. 3-02
par. 3-03
MG.11.A6.02 - VLT ® is a registered Danfoss trademark
Troubleshooting
Step 4. Set speed limit and ramp time
Motor Speed Low Limit
Motor Speed High Limit
Ramp-up Time 1 [s]
Ramp-down Time 1 [s]
for an easy set-up of these parameters.
4. Electrical installation
No function
(par. 5-12 [0])
section.
par. 4-11 or 4-12
par. 4-13 or 4-14
par. 3-41
par. 3-42
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