User`s manual

INP-TN5A0202-E 7-7
7.1 Error procedure
Troubles during connecting the loader
The diagram below shows the list of the cased frequently occurs and their solution.
Refer the parameter loader for PUM user's manual as well.
Troubles Causes Solutions
No connection to the PUM
parameter loader is possible
Connection error to the parameter
loader for PUM
Check the connection status of the
parameter loader connecting cable for
PUM. Check if there is any connecting
cable break.
Check if the assembly of the parameter
loader connecting cable for PUM correct.
Communication conditions mismatch
Check such as communication speed set
value, parity set value.
Wrong host
Check that the parameter loader connecting
cable for PUM is connected to the loader
port of the programless communication
module.
Parameter change is not possible
Attempting the parameter input value
writes the value out of the setting
range
Modify and write the input value within the
setting range.