ABB ACS 400 User Manual page 48

Alarm
Display
Code
23
DDCS COMM LOSS
24
25
26 **
OUTPUT OVERLOAD
27 *
AUTOMATIC RESET
28 *
PID SLEEP
29 *
AUTOCHANGE
30
INTERLOCK
Note! Alarms (*) will not cause relay output RO1 (RO2) to activate when the relay output is
configured to indicate alarm condition in general. (Parameter 1401
2) has value 5 (
RELAY OUTPUT
Note! Alarms (**) will be shown only if parameter 1608
ACS 400 User's Manual
Description
DDCS communication loss has been detected.
• Check the status of the fieldbus adapter. Refer to the appropriate fieldbus
adapter manual.
• Check the DDCS option module and optical fibers.
• Check connections between the 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 in "Specifications" on page 21 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 the PID sleep
function is deactivated. Refer to parameters 4018
, 4014
SLEEP 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).
) or 13 ( /
ALARM FLT ALARM
http://nicontrols.com
SLEEP SELECTION
and 4015
WAKE
RELAY OUTPUT
)).
is set to 1 (
DISPLAY ALARMS
, 4013
PID
- .
UP LEVEL
1 (1402
)
YES
37