ABB ACH550-01 User Manual page 373

ACH550 User's Manual
Alarm
Display
code
2008
PANEL LOSS
2009
DEVICE
OVERTEMP
2010
MOTOR TEMP
2011
UNDERLOAD
2012
MOTOR STALL
Diagnostics and maintenance
Description
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
Group 11: REFERENCE SELECT
operation is AUTO).
Drive heatsink is hot. This alarm warns that a
fault may be near.
DEVICE OVERTEMP
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.
Motor is hot, based on either the drive's estimate or
on temperature feedback. This alarm warns that a
Motor Overload fault trip may be near.
• Check for overloaded motor.
• Adjust the parameters used for the estimate
(3005...3009).
• Check the temperature sensors and
MOTOR TEMP MEAS
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.
Motor is operating in the stall region. This alarm
warns that a Motor Stall fault trip may be near.
(if drive
Group 35:
parameters.
and
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