Troubleshooting – Spectrum Controls 1746sc-INO4vi User Manual
Page 42
32
SLC 500
™
Isolated Analog Output Modules
Troubleshooting
Figure 7. Problem resolution flowchart
Module
Status LED
off.
Module fault
condition.
Check to see
that module is
seated properly
in chassis.
Cycle power.
Is problem
corrected?
Contact you local
distributor or
Spectrum
Controls.
Yes
No
End
Module
Status LED
on.
Check LEDs
on module.
Channel
Status LED(s)
blinking.
Channel
Status LED(s)
off.
Channel
Status LED(s)
on.
Channel is
not enabled.
Channel is
enabled but not
working.
Fault
condition.
Check channel
status word
bits 9–15.
Fatal channel error. Reset the
processor or cycle power to your
module.
Bit 15
set (1)
Non-fatal channel error. Check
the configuration byte. Correct
and Retry.
Bit 14
set (1)
Under-range error. Check the
output data word and Table 11.
Correct and Retry.
Bit 13
set (1)
Over-range error. Check the
output data word and Table 11.
Correct and Retry.
Bit 12
set (1)
Under-limit error. Check the
output data word and limit
(O:e.6). Correct and Retry.
Bit 11
set (1)
Over-limit error. Check the
output data word and limit
(O:e.7). Correct and Retry.
Bit 10
set (1)
Operating temperature error.
Check the ambient temp.
Correct and Retry.
Bit 9
set (1)
Enable channel if
desired by setting
channel config.
word (bit 0 = 1).
Retry.
End
Verify module power
(external and/or
rack). Retry
Is problem
corrected?
Contact you local
distributor or
Spectrum
Controls.
No
Yes
End
Is problem
corrected?
Contact you local
distributor or
Spectrum
Controls.
No
Yes
End