E6581288①
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6. Unusual diagnosis
6.1. Option error
The error message is displayed when there is hardware error, software error or lose of
connection of wire.
■Display of trip information
e-23 (Error code : 55) : Add-on option 1 error
(This error is displayed at the time the bottom side option has an error or only one option
is installed and has an error.)
e-24 (Error code : 56) : Add-on option 2 error
(This error is displayed at the time the two-units are installed and the upper side option
has an error.)
6.2. Disconnection error of network cable
■Display of trip information
err8 (Error code : 27) : Communication error
■Related parameter
『f850 Disconnection detection extended time』
The range :
0.0to100.0 sec.
The waiting time from when a network error occurs to when a communication error
"
err8" is displayed can be adjusted. If a network error continues past the time set
in f850, it is recognized as a communication error and "
err8" is displayed.
When normal communication returns during the set time, a communication error is
not displayed and operation is continued.
『f851 Inverter operation at disconnection』
The range
0: Stop and Communication release
(CMOD, FMOD)
1: None (continued operation)
2: Deceleration stop
3: Coast stop
4: Network error (err8 trip)
5: Preset speed operation (by f852 setting)
The action of the inverter when the communication error occurred can be specified.
『
f852 Preset sped operation selection』
Setting range
0: None
1 to15: Preset speed operation (by parameter setting)