ABB AC500 V3 - Page 105

Error
severity
Location Error
code
d1 d2 d3 d4 Description Remedy
E4 iob
(I/O bus)
772 Module
number
1 Channel
number
0 Measurement over-
flow at an analog
output
Check
channel
wiring
E4 iob
(I/O
bus)
775 Module
number
1 Channel
number
0 Measurement under-
flow at analog output
Check
channel
wiring
E4 iob
(I/O
bus)
796 Module
number
1 0 0 Different configura-
tion
E4 iob
(I/O
bus)
8482 Module
number
0 - 0 Timeout while
waiting for ready
status
E4 iob
(I/O
bus)
8483 Module
number
0 - 0 Timeout during
parameterization
E4 iob
(I/O
bus)
9480 Module
number
0 - 0 I/O module removed
from hot swap ter-
minal unit or defec-
tive module on hot
swap terminal unit.
Plug I/O
module,
replace I/O
module
E4 iob
(I/O
bus)
9480 Module
number
0 0 0 Module removed
from hot swap ter-
minal unit
E4 iob
(I/O
bus)
9500 Module
number
0 - 0 Wrong I/O module
replugged on hot
swap terminal unit
Remove
wrong I/O
module and
plug pro-
jected I/O
module
E4 iob
(I/O
bus)
9514 Module
number
0 - 0 No communication
with I/O module on
hot swap terminal
unit
Replace I/O
module
E4 iob
(I/O
bus)
9526 Module
number
0 - 0 I/O module does not
support hot swap
Power off
system and
replace I/O
module
E4 iob
(I/O
bus)
9526 Module
number
0 0 0 Module on hot swap
terminal unit does
not support hot swap
functionality
E4 iob
(I/O
bus)
9736 Module
number
0 - 0 Hot swap terminal
unit required, but not
found
E4 iob
(I/O
bus)
9764 Module
number
0 0 0 Defective hot swap
terminal unit
E4 iob
(I/O
bus)
9770 Module
number
0 - 0 No communication
with hot swap ter-
minal unit
Restart, if
error per-
sists replace
terminal unit
Appendix
Diagnosis messages via display of the processor module > Error severity E4: Warnings
2023/03/03 3ADR011074, 1, en_US 105