ABB ACS 400 User Manual page 147

Alarm
Display
Code
23
DDCS COMM LOSS
24
25
26
OUTPUT OVERLOAD
27 *
AUTOMATIC RESET
28 *
PID SLEEP
29 *
AUTOCHANGE
30
INTERLOCK
* This alarm will not cause relay output RO1 (RO2) to activate when the relay output is configured to
indicate alarm condition in general. (Parameter 1401
value 5 ( ) or 13 (
ALARM
ACS 400 User's Manual
Description
DDCS communication loss has been detected.
• Check the status of the fieldbus adapter. Refer to appropriate fieldbus
adapter manual.
• Check the DDCS option module and optical fibres.
• Check connections between external control system and fieldbus adapter.
Refer to "DDCS Option module manual" and parameters 5003 – 5006.
Reserved.
Reserved.
Inverter overload condition. The ACS 400 output current exceeds the ratings
given on page 25 of this manual.
ACS 400 is about to perform automatic fault reset operation. As a result, the
drive may start after the reset operation. Refer to parameter group 31
AUTOMATIC RESET.
PID sleep function is active. The drive may accelerate when PID sleep function
is deactivated. Refer to parameters 4018
, 4014
DELAY PID SLEEP LEVEL
The autochange function of Pump-Fan Control block is active. Refer to
parameter group 81 PFC CONTROL and the appendix for more information.
Pump-Fan Control interlocks are active. The ACS 400 cannot start any motor
(when Autochange is used), or the ACS 400 cannot start the speed regulated
motor (when Autochange is not used).
/ )).
FLT ALARM
SLEEP SELECTION
and 4015 -
WAKE UP LEVEL
1 (1402
RELAY OUTPUT
, 4013
PID SLEEP
.
2) has
RELAY OUTPUT
137