Carrier Weathermaster 48P2030-100 Controls, Start-Up, Operation, Service, And Troubleshooting page 225

Single package large rooftop units with comfortlink version 7.x controls
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ALARM
ALARM NAME
CODE
IN PANEL
2001
2002
2003
2004
DIR LOCK
2005
I/O COMM
2006
AI1 LOSS
2007
AI2 LOSS
2008
PANEL LOSS
2009
2010
MOT OVERTEMP
2011
UNDERLOAD
2012
MOTOR STALL
2013*
AUTORESET
2014*
AUTOCHANGE
2015
PFA INTERLOCK
2016
2017*
OFF BUTTON
2018*
PID SLEEP
2019
ID RUN
2020
OVERRIDE
START ENABLE 1
2021
MISSING
START ENABLE 2
2022
MISSING
2023
EMERGENCY STOP
*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).
MAINTENANCE
Heat Sink Temperature Check and Cleaning
Main Cooling Fan Replacement
Internal Enclosure Cooling Fan Replacement
Capacitor Change (Frame Size R5 and R6)
HVAC Control Panel Battery Change
APPENDIX D — VFD INFORMATION
Table AH — Alarm Codes
DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION
Reserved
Reserved
Reserved
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
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 connections. 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 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 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).
Reserved
Motor is hot, based on either the VFD estimate or on temperature feedback. This alarm warns that a Motor Over-
load 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 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
accelerate when the PID sleep function ends. To control PID sleep, use parameters
4022 through 4026 or 4122 through 4126.
The VFD is performing an ID run.
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 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 settings.
Emergency stop is activated.
Table AI — Maintenance Intervals
Every 6 to 12 months (depending on the dustiness of the environment)
Every five years
Every three years
Every ten years
Every ten years
INTERVAL
225

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