Diagnostics and maintenance
373
ACH550-01 User's Manual
8
AI
2
LOSS
Analogue input 2 loss. Analogue input value
is less than
AI
2
FAULT
LIMIT
(3022). Check for
and correct:
• source and connection for analogue input
• parameter settings for
AI
2
FAULT
LIMIT
(3022) and 3001
AI
<
MIN FUNCTION
.
9
MOT
OVERTEMP
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.
10
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 is 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).
11
ID
RUN
FAIL
The motor ID run was not completed
successfully. Check for and correct:
• motor connections.
12
MOTOR
STALL
Motor or process stall. Motor is operating in
the stall region. Check for and correct:
• excessive load
• insufficient motor power
• parameters 3010…3012.
13
RESERVED
Not used.
Fault
code
Fault name in
the panel
Description and
recommended corrective action
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