Warning And Alarm Types - Honeywell 3G SmartVFD HVFD3D3A0015 Installation And User Manual

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Speed low
Standby
Start delay
Start fwd/rev
Stop
Trip
Trip lock
Note: In auto/remote mode, the adjustable frequency drive requires external commands to
execute functions.

7.3 Warning and Alarm Types

Warnings
A warning is issued when an alarm condition is impending or when an abnormal
operating condition is present and may result in the adjustable frequency drive
issuing an alarm. A warning clears by itself when the abnormal condition is
removed.
Alarms
Trip
An alarm is issued when the adjustable frequency drive is tripped, which means
that the adjustable frequency drive suspends operation to prevent adjustable fre-
quency drive or system damage. The motor coasts to a stop. The adjustable fre-
quency drive logic continues to operate and monitor the adjustable frequency
drive status. After the fault condition is remedied, the adjustable frequency drive
can be reset. It is then ready to start operation again.
Resetting the adjustable frequency drive after trip/trip lock
A trip can be reset in any of four ways:
60
Motor speed is below the value set in 4-52 Warning Speed Low.
In Auto On mode, the adjustable frequency drive starts 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 starts after the start delay time expires.
Start forward and start reverse were selected as functions for two different digital
inputs (parameter group 5-1* Digital Inputs). The motor starts in forward or
reverse depending on which corresponding terminal is activated.
The adjustable frequency drive 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 adjustable frequency drive 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 adjustable frequency drive. The adjustable
frequency drive can then be reset manually by pressing [Reset] or remotely by
control terminals or serial communication.
Press [Reset] on the LCP
Digital reset input command
Serial communication reset input command
Auto reset
31-00559-01

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