Danfoss VLT HVAC Operating Instructions Manual page 55

Status Messages
Ref. low
Run on ref.
Run request
Running
Sleep Mode
Speed high
Speed low
Standby
7 7
Start delay
Start fwd/rev
Stop
Trip
Trip lock
Table 7.3
52
VLT
Operation Status
The sum of all active references is below the
reference limit set in 4-54 Warning Reference
Low.
The frequency converter is running in the
reference range. The feedback value matches
the setpoint value.
A start command has been given, but the
motor is stopped until a run permissive signal
is received via digital input.
The motor is driven by the frequency
converter.
The energy saving function is enabled. This
means that at present the motor has stopped,
but that it will restart automatically when
required.
Motor speed is above the value set in
4-53 Warning Speed High.
Motor speed is below the value set in
4-52 Warning Speed Low.
In Auto On mode, the frequency converter will
start the motor with a start signal from a
digital input or serial communication.
In 1-71 Start Delay, a delay starting time was
set. A start command is activated and the
motor will start after the start delay time
expires.
Start forward and start reverse were selected
as functions for two different digital inputs
(parameter group 5-1*). The motor will start in
forward or reverse depending on which
corresponding terminal is activated.
The frequency converter has received a stop
command from the LCP, digital input or serial
communication.
An alarm occurred and the motor is stopped.
Once the cause of the alarm is cleared, the
frequency converter can be reset manually by
pressing [Reset] or remotely by control
terminals or serial communication.
An alarm occurred and the motor is stopped.
Once the cause of the alarm is cleared, power
must be cycled to the frequency converter.
The frequency converter can then be reset
manually by pressing [Reset] or remotely by
control terminals or serial communication.
MG11AH02 - VLT
®
HVAC Drive Operating Instructions
®
is a registered Danfoss trademark