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VLT
®
HVAC Drive Instruction Manual
Status display III:
This state displays the event and action of the Smart Logic Control. For
Smart Logic Control
further information, see section
Display Contrast Adjustment
▲
Press [status] and [
] for darker display
▼
Press [status] and [
] for brighter display
LEDs:
If certain threshold values are exceeded, the alarm and/or warning LED lights up. A status and alarm text appear on the control panel.
The On LED is activated when the adjustable frequency drive receives power from AC line voltage, a DC bus terminal, or an external 24 V supply. At the
same time, the back light is on.
•
Green LED/On: Control section is working.
•
Yellow LED/Warn.: Indicates a warning.
•
Flashing Red LED/Alarm: Indicates an alarm.
.
Top section
Middle section
Bottom section
MG.11.AB.22 - VLT
®
is a registered Danfoss trademark
6 How to Operate the Adjustable Frequency
Drive
6
6-3
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