
262 ACS550-01/U1 User’s Manual
Diagnostics
2009 DEVICE
OVERTEMP
Drive heatsink is hot. This alarm warns that a DEVICE OVERTEMP fault
may be near.
R1…R4: 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
MOTOR TEMP Motor is hot, based on either the drive’s estimate or on temperature
feedback. This alarm warns that a
MOT OVERTEMP 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: MOTOR TEMP
MEAS.
2011
RESERVED Not used.
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 Group 31: AUTOMATIC RESET.
2014
(Note 1)
AUTOCHANGE This alarm warns that the PFC autochange function is active.
• To control PFC, use Group 81: PFC CONTROL and the PFC macro
on page 80.
2015
PFC I LOCK 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 Not used.
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 Not used.
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.
2022
START ENABLE 2
MISSING
This alarm warns that the Start Enable 2 signal is missing.
• To control Start Enable 2 function, use parameter 1609.
To correct, check:
• Digital input configuration.
• Communication settings.
Alarm
code
Display Description
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