
6
Diagnostics
The control panel displays the following alarm and fault codes.
Alarms AL1-7 arise from button operation. Green LED blinks for AL10-21,
meaning that the ACS 140 cannot fully follow the control commands.
Table 1 Alarms.
Code
Description
AL 1
Parameter upload/download failed.
AL 2
Operation not allowed while start is active.
AL 3
Operation not allowed in current control mode (Local or Remote).
AL 5
Start/Stop/Direction or reference from control panel is not followed. Possible
causes:
• Remote mode: parameters disable the buttons (See APPENDIX.)
• Local mode: START/STOP button interlocked from digital inputs.
AL 6
Operation not allowed. Parameter 1602
PARAMETER
LOCK
is active.
AL 7
Use of factory macro disables operation.
AL10
Overcurrent controller active.
AL11
Overvoltage controller active.
AL12
Undervoltage controller active.
AL13
Direction lock. See parameter 1003
DIRECTION
.
AL14
Serial communication loss alarm.
AL15
Modbus exception response is sent through serial communication.
AL16
Analogue input 1 loss. Analogue input 1 value is less than
MINIMUM
AI1
(1301). See also parameter 3001
AI
<
MIN
FUNCTION
.
AL17
Analogue input 2 loss. Analogue input 2 value is less than
MINIMUM
AI2
(1306). See also parameter 3001
AI
<
MIN
FUNCTION
.
AL18
Panel loss. Panel is disconnected when Start/Stop/Dir or reference is
coming from panel. See parameter 3002
PANEL
LOSS
and APPENDIX.
AL19
Hardware overtemperature (at 95 % of the trip limit).
AL20
Motor overtemperature (at 95 % of the trip limit).
AL21
Motor stall alarm. See parameter 3009
STALL
FUNCTION
.
Содержание ACS 140
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