Carrier Aero 39MN Series Installation, Start-Up And Service Instructions Manual page 264

ALARM CODE ALARM NAME IN PANEL
2001
2002
2003
2004
2005
2006
2007
2008 PANEL LOSS
2009
2010
MOT OVERTEMP
2011 UNDERLOAD
2012 MOTOR STALL
2013* AUTORESET
2014*
AUTOCHANGE
2015 PFA INTERLOCK
2016
2017* OFF BUTTON
2018*
2019
2020
START ENABLE 1
2021
START ENABLE 2
2022
2023 EMERGENCY STOP
*This alarm is not indicated by a relay out-
put, even when the relay output is config-
ured to indicate alarm
(parameter 1401 RELAY OUTPUT = 5
[ALARM] or 16 [FLT/ALARM]).
Table 53 — Alarm Codes
— Reserved
— Reserved
— Reserved
The change in direction being attempted is not allowed. Do not attempt to change the direction
DIR LOCK of motor rotation, or change parameter 1003 DIRECTION to allow direction change (if reverse
operation is safe).
Field bus communication has timed out. Check fault setup (3018 COMM FAULT FUNC and
I/O COMM 3019 COMM FAULT TIME). Check communication settings (Group 51 or 53 as appropriate).
Check for poor connections and/or noise on line.
Analog input 1 is lost, or value is less than the minimum setting. Check input source and con-
AI1 LOSS nections. Check the parameter that sets the minimum (3021) and the parameter that sets the
Alarm/Fault operation (3001).
Analog input 2 is lost, or value is less than the minimum setting. Check input source and con-
AI2 LOSS nections. Check the parameter that sets the minimum (3022) and the parameter that sets the
Alarm/Fault operation (3001).
Panel communication is lost and either the VFD is in local control mode (the control panel dis-
plays HAND), or the VFD is in remote control mode (AUTO) and is parameterized to accept
start/stop, direction or reference from the control panel. To correct, check the communication
lines and connections, Parameter 3002 PANEL LOSS, and parameters in groups 10 COM-
MAND INPUTS and 11 REFERENCE SELECT (if drive operation is REM).
— Reserved
Motor is hot, based on either the VFD estimate or on temperature feedback. This alarm warns
that a Motor Overload fault trip may be near. Check for overloaded motor. Adjust the parame-
ters used for the estimate (3005 through 3009). Check the temperature sensors and Group 35
parameters.
Motor load is lower than expected. This alarm warns that a Motor Underload fault trip may be
near. Check that the motor and drive ratings match (motor is NOT undersized for the drive).
Check the settings on parameters 3013 to 3015.
Motor is operating in the stall region. This alarm warns that a Motor Stall fault trip may be near.
This alarm warns that the drive is about to perform an automatic fault reset, which may start the
motor. To control automatic reset, use parameter group 31 (AUTOMATIC RESET).
This alarm warns that the PFA autochange function is active. To control PFA, use parameter
group 81 (PFA) and the Pump Alternation macro.
This alarm warns that the PFA interlocks are active, which means that the drive cannot start
any motor (when Autochange is used), or a speed regulated motor (when Autochange is not
used).
— Reserved
This alarm indicates that the OFF button has been pressed.
This alarm warns that the PID sleep function is active, which means that the motor could accel-
PID SLEEP erate when the PID sleep function ends. To control PID sleep, use parameters 4022 through
4026 or 4122 through 4126.
ID RUN The VFD is performing an ID run.
OVERRIDE Override mode is activated.
This alarm warns that the Start Enable 1 signal is missing. To control Start Enable 1 function,
use parameter 1608. To correct, check the digital input configuration and the communication
MISSING
settings.
This alarm warns that the Start Enable 2 signal is missing. To control Start Enable 2 function,
use parameter 1609. To correct, check the digital input configuration and the communication
MISSING
settings.
Emergency stop is activated.
conditions
DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION
264