Warning And Alarm Types - Danfoss VLT AQUA Drive FC 202 Operating Manual

Maintenance, Diagnostics, a...
Sleep mode The energy saving function is enabled. This
function being enabled means that now the
motor has stopped, but that it restarts
automatically when required.
Speed high The motor speed is above the value set in
parameter 4-53 Warning Speed High.
Speed low The motor speed is below the value set in
parameter 4-52 Warning Speed Low.
Standby In auto-on mode, the drive starts the motor
with a start signal from a digital input or serial
communication.
Start delay In parameter 1-71 Start Delay, a delay starting
time was set. A start command is activated
and the motor starts after the start delay time
expires.
Start fwd/rev [12] Enable Start Forward and [13] Enable Start
Reverse were selected as functions for 2
different digital inputs (parameter group 5-1*
Digital Inputs). The motor starts in forward or
reverse depending on which corresponding
terminal is activated.
Stop The drive has received a stop command from
1 of the following:
•
LCP
•
Digital input
•
Serial communication
Trip An alarm occurred and the motor is stopped.
Once the cause of the alarm is cleared, reset
the drive using 1 of the following:
•
Pressing [Reset].
•
Remotely by control terminals.
•
Via serial communication.
Pressing [Reset] or remotely by control
terminals or via serial communication.
Trip lock An alarm occurred and the motor is stopped.
Once the cause of the alarm is cleared, cycle
power to the drive. Reset the drive manually
by 1 of the following:
•
Pressing [Reset].
•
Remotely by control terminals.
•
Via serial communication.
Table 8.3 Operation Status
NOTICE
In auto/remote mode, the drive requires external
commands to execute functions.
MG22A102
Operating Guide

8.4 Warning and Alarm Types

Warning/
alarm type
Warning
Alarm
Trip
When tripping, the drive suspends operation to prevent
damage to the drive and other equipment. When a trip
occurs, the motor coasts to a stop. The drive logic
continues to operate and monitor the drive status. After
the fault condition is remedied, the drive is ready for a
reset.
Trip lock
When trip locking, the drive suspends operation to prevent
damage to the drive and other equipment. When a trip
lock occurs, the motor coasts to a stop. The drive logic
continues to operate and monitor the drive status. The
drive starts a trip lock only when serious faults occur that
can damage the drive or other equipment. After the faults
are fixed, cycle the input power before resetting the drive.
Warning and alarm displays
•
•
Status
0.0Hz
Earth Fault [A14]
Auto Remote Trip
Illustration 8.3 Alarm Example
In addition to the text and alarm code in the LCP, there are
3 status indicator lights.
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Description
A warning indicates an abnormal operating
condition that leads to an alarm. A warning stops
when the abnormal condition is removed.
An alarm indicates a fault that requires
immediate attention. The fault always triggers a
trip or trip lock. Reset the drive after an alarm.
Reset the drive in any of 4 ways:
•
Press [Reset]/[Off/Reset].
•
Digital reset input command.
•
Serial communication reset input command.
•
Auto reset.
A warning is shown in the LCP along with the
warning number.
An alarm flashes along with the alarm number.
0.000kW
0.0Hz
0
8 8
1(1)
0.00A
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