Diagnostics and maintenance
383
ACH550-01 User's Manual
2008
PANEL
LOSS
Panel communication is lost and either:
• the drive is in local control mode (the control
panel displays HAND), or
• the drive is in remote control mode (AUTO) and
parameterized to accept start/stop, direction or
reference from the control panel.
To correct check:
• communication lines and connections
• parameter 3002
PANEL
COMM
ERR
• parameters in
Group 10: START/STOP/DIR
and
Group 11: REFERENCE SELECT
(if drive
operation is AUTO).
2009
DEVICE
OVERTEMP
Drive heatsink is hot. This alarm warns that a
DEV
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 for overloaded motor.
• Adjust the parameters used for the estimate
(3005…3009).
• Check the temperature sensors and
Group 35:
MOTOR TEMP MEAS
parameters.
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
See
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
.
Alarm
code
Display
Description
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