ABB ACH550-01 User Manual page 378

ACH550-01 User's Manual
Fault Fault name in
code the panel
8 2
AI LOSS
9
MOT OVERTEMP
10
PANEL LOSS
11
ID RUN FAIL
12
MOTOR STALL
13
RESERVED
Diagnostics and maintenance
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Description and
recommended corrective action
Analogue input 2 loss. Analogue input value
is less than 2
AI FAULT LIMIT
and correct:
• source and connection for analogue input
• parameter settings for
(3022) and 3001
Motor is too hot, as estimated by the drive.
• Check for overloaded motor.
• Adjust the parameters used for the
estimate (3005...3009).
• Check the temperature sensors and
Group 35: MOTOR TEMP MEAS
parameters.
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 is parameterized to accept
start/stop, direction or reference from the
control panel.
To correct, check:
• communication lines and connections
• parameter 3002
• parameters in Group 10:
START/STOP/DIR
REFERENCE SELECT
is AUTO).
The motor ID run was not completed
successfully. Check for and correct:
• motor connections.
Motor or process stall. Motor is operating in
the stall region. Check for and correct:
• excessive load
• insufficient motor power
• parameters 3010...3012.
Not used.
(3022). Check for
2
AI FAULT LIMIT
< .
AI MIN FUNCTION
PANEL COMM ERR
and Group 11:
(if drive operation
373