Class 4 Error Descriptions - ABB AC 31 Technical Manual

Class 4 error descriptions

Internal unit error
Cut wire (detection of open circuit)*
Analog output level error
Overload
Defective 10V output
Overload and cut wire*
Short circuit
Short-circuit + cut wire*
Overload + short-circuit
Short-circuit + overload + cut wire*
The end of the program is not
detected by the system during
startup.
A program syntax error is detected
by the system during startup
Too many historical values are
detected by the system during
startup (max. 256)
The cycle time is missing and
detected by the system during
startup
A missing label for a conditional
step is detected by the system
during startup.
The program is not launched due to
the number of units initialized on the
CS 31 bus being inferior to the
number specified during the
configuration
The program is too large for the
memory size
The system detects a missing end
of sub-program or missing program
during startup
The system detects a missing
program interrupt or an interrupt
validation.
The system detects too many sub-
programs (max. 12) during startup.
The system detects too many
historical values in the sub-
programs during startup.
(max. 128 = Sum of nb of calls x nb
of historical values in the sub-
programs)
The system does not detect a sub-
program, corresponding to a call,
during startup
* error detected if previously configured through programming the CS31CO block
ABB Control - AC 31
1SBC 260400 R1001-b 06.99
Diagnosis
4.3.4. Class 4 error descriptions
Error code in
MW255.08
Dec Hex
1 01
D H
2 02
D H
3 03
D H
4 04
D H
5 05
D H
6 06
D H
8 08
D H
10 0A
D H
12 0C
D H
14 0E
D H
129 81
D H
131 83
D H
132 84
D H
133 85
D H
135 87
D H
138 8A
D H
140 8C
D H
142 8E
D H
143 8F
D H
144 90
D H
145 91
D H
146 92
D H
Info 1 in Info 2 in
MW 255.09 MW 255.10
Unit type Address
Unit type Address
Unit type Address
Unit type Address
Unit type Address
Unit type Address
Unit type Address
Unit type Address
Unit type Address
Unit type Address
- -
Program address -
- -
- -
Program address -
Number of units Number of actual
chosen during units on the CS31
configuration bus
- -
- -
- -
- -
- -
- -
Info 3 in
MW 255.11
Channel number
Channel number
Channel number
Channel number
Channel number
Channel number
Channel number
Channel number
Channel number
Channel number
-
-
-
-
-
-
-
-
-
-
-
-
Page 8-11