Carrier 50PD05 Operating And Service Instructions page 89

APPENDIX B - VFD INFORMATION (CONT)
Table 42 -- ALARM CODES
ALARM ALARM NAME
DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION
CODE IN PANEL
2001 - Reserved
2002 - Reserved
2003 - Reserved
2004 DIR LOCK The change in direction being attempted is not allowed. Do not attempt to change the direction 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 3019 COMM FAULT
2005 I/O COMM TIME). Check communication settings (Group 51 or 53 as appropriate). Check for poor connections and/or noise on
line.
2006 All LOSS Analog input 1 is lost, or value is less than the minimum setting, Check input source and connections. Check the
parameter that sets the minimum (3021) and the parameter that sets the Alarm/Fault operation (3001).
2007 AI2 LOSS Analog input 2 is lost, or value is less than the minimum setting, Check input source and connections. Check
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 displays HAND), or the
VFD is in remote control mode (AUTO) and is parameterized to accept start/stop, direction or reference from the
2008 PANEL LOSS
control panel, To correct, check the communication lines and connections, Parameter 3002 PANEL LOSS, and
parameters in groups 10 COMMAND INPUTS and 11 REFERENCE SELECT (if drive operation is REM).
2009 - Reserved
Motor is hot, based on either the VFD estimate or on temperature feedback, This alarm warns that a Motor Overload
2010 MOT OVERTEMP fault trip may be near, Check for overloaded motor. Adjust the parameters 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
2011 UNDERLOAD motor and drive ratings match (motor is NOT undersized for the drive). Check the settings on parameters 3013 to
3015.
2012 MOTOR STALL 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
2013* AUTORESET
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
2014 AUTOCHANGE
Pump Alternation macro.
This alarm warns that the PFA interlocks are active, which means that the drive cannot start any motor (when
2015 PFA INTERLOCK
Autochange is used), or a speed regulated motor (when Autochange is not used).
2016 - Reserved
2017" OFF BUTTON 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 accelerate when the PID
2018 PID SLEEP
sleep function ends. To control PID sleep, use parameters 4022 through 4026 or 4122 through 4126.
2019 ID RUN The VFD is performing an ID run.
2020 OVERRIDE Override mode is activated.
START ENABLE 1 This alarm warns that the Start Enable 1 signal is missing. To control Start Enable 1 function, use parameter 1608. To
2021
MISSING correct, check the digital input configuration and the communication settings.
START ENABLE 2 This alarm warns that the Start Enable 2 signal is missing. To control Start Enable 2 function, use parameter1609. To
2022
MISSING correct, check the digital input configuration and the communication settings.
2023 EMERGENCY STOP Emergency stop is activated.
This alarm is not indicated by a relay output, even when the relay output is configured to indicate alarm conditions, parameter 1401 RELAY OUTPUT = 5 (ALARM) or 16
FLT/ALARM).
Table 43 -- MAINTENANCE INTERVALS
MAINTENANCE INTERVAL
Heat sink temperature check and Every 6 to 12 months (depending
cleaning on the dustiness of the
environment)
Main cooling fan replacement Every five years
HVAC Control panel battery change Every ten years
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