Operation
14
279966 / 944560310110
2022-03-09·BA00·III·en·00
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Power module for Zone 1
Series 9445/32
8.3
Troubleshooting
Error notifications can be read out using the IS1+ detect tool.
Status or error indication for the power module
LED status
Status
Cause of error
Troubleshooting
"PWR IN" LED
(green) lights up
Operation
indication
No error
–
"PWR IN" LED
(green) is off
No function
• No supply voltage or
insufficient supply
voltage present at the
power module
• Power module is
defective
• Check that the supply
voltage to the power
module is connected
and permissible
• Check that the
connection is correct
and the power
module is intact
• Check that the
socket is intact
(see the 9496/32
socket operating
instructions)
• If necessary, replace
the power module
"M/S" LED (blue)
lights up
Maintenance
required
Module is damaged due to
overtemperature
Replace the module
as soon as possible
(within the next 12 months),
otherwise there is a risk of
module failure
"M/S" LED (blue)
is blinking
Outside the
specification
The temperature around
the CPU is too high or too
low.
Change the ambient
temperature or ensure
better ventilation,
connection, heating, etc.
Power module overloaded Check the current load on
the power module and
lower it if necessary.
"M/S" LED (blue)
and "PWR OUT"
LED (green)
are blinking
Software update No error
Wait for the software
update to finish.
"M/S" LED (blue)
is off
No maintenance
required
No error
–
"PWR OUT" LED
(green) lights up
Operation
indication
No error
–
Summary of Contents for 9432 Series
Page 24: ......
