Operation
Operating Manual PSSu E F PS2(-T)(-R)
1002237-EN-05
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7
Operation
7.1
Messages
A module error is displayed via the "Err" LED, signalled to the head module and then
entered in the head module's diagnostic log.
The module can detect the following errors:
Module error
Explanation
Remedy
Start-up error
Error as the PSSu system starts
up
Change faulty module.
Configuration error
Incorrect module type configured. The configured hardware registry
does not match the actual hard-
ware registry.
FS communication error
Error during FS communication
Change faulty module.
Temperature error: too warm
Ambient temperature too high:
Entry in the error stack or dia-
gnostic log
Ensure there is sufficient ventila-
tion in the control cabinet or pre-
vent overload.
Overvoltage error
A system voltage or infeed is too
high.
Stabilise the supply or change the
faulty supply voltage module.
Undervoltage error
A system voltage or infeed is too
low.
Stabilise the supply or change the
faulty supply voltage module.
Error in the overvoltage protection
diodes
Overvoltage protection diodes are
defective.
Change faulty supply voltage mod-
ule.
Further information on PSSu error messages is available in the online help for PSS WIN-
PRO or PAS4000.
7.2
Display elements
Legend
LED on
LED flashes
LED off
7.2.1
Display elements for module diagnostics
The module has an LED for displaying module errors ("Err" LED).
11 21
Err
24V
24V
Err
5 V
5V
LED
Meaning
Designation
Colour
Status
Err
- - -
No error
Red
Module error
