ACH550-UH User’s Manual 219
Diagnostics
2008 PANEL LOSS Panel communication is lost and either:
• Drive is in local control mode (the control panel displays LOC), or
• Drive is in remote control mode (REM) and is parameterized to
accept start/stop, direction or reference from the control panel.
To correct check:
• Communication lines and connections
• Parameter 3002
PANEL LOSS.
• Parameters in groups 10
COMMAND INPUTS and 11 REFERENCE
SELECT (if drive operation is REM).
2009 Reserved
2010 MOT OVERTEMP Motor is hot, based on either the drive’s estimate or on temperature
feedback. This alarm warns that a Motor Underload fault trip may be
near. Check:
• Check for overloaded motor.
• Adjust the parameters used for the estimate (3005…3009).
• Check the temperature sensors and Group 35 parameters.
2011
UNDERLOAD Motor load is lower than expected. This alarm warns that a Motor
Underload fault trip may be near. Check:
• Motor and drive ratings match (motor is NOT undersized for the
drive)
• 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.
2013
(note 1)
AUTORESET 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.
2014
(note 1)
AUTOCHANGE This alarm warns that the PFA autochange function is active.
• To control PFA, use parameter group 81 PFA CONTROL
2015 PFA INTERLOCK This alarm warns that the PFA interlocks are active, which means that
the drive cannot start the following:
• Any motor (when Autochange is used),
• The speed regulated motor (when Autochange is not used).
2016 Reserved
2017 OFF BUTTON Note 1.
2018
(note 1)
PID SLEEP 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…4026 or 4122…4126.
2019
ID RUN Performing ID run.
2020 OVERRIDE Override mode activated.
2021
START ENABLE 1
MISSING
This alarm warns that the Start Enable 1 signal is missing.
• To control Start Enable 1 function, use parameter 1608.
To correct, check:
• Digital input configuration.
• Communication settings.
Alarm
Code
Display Description
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