208 ACS550 User’s Manual
Diagnostics
2009 DEVICE
OVERTEMP
Drive heatsink is hot. This alarm warns that a DEVICE OVERTEMP fault
may be near.
R1…R4 & R7/R8: 100 °C (212 °F)
R5/R6: 110 °C (230 °F)
Check for and correct:
• Fan failure.
• Obstructions in the air flow.
• Dirt or dust coating on the heat sink.
• Excessive ambient temperature.
• Excessive motor load.
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 PFC autochange function is active.
• To control PFC, use parameter group 81 PFC CONTROL and
"Application Macro: PFC" on page 49.
2015
PFC INTERLOCK This alarm warns that the PFC 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/
2017
Reserved
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 Reserved
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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