User`s manual

Diagnostics and maintenance 367
ACH550-01 User's Manual
8
AI2 LOSS Analogue input 2 loss. Analogue input value
is less than
AI2 FAULT LIMIT (3022). Check for
and correct:
• source and connection for analogue input
• parameter settings for
AI2 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