Sv Commu Er: Connect Error; Sv Commu Er: Safe Posn Fb Err; Sv Commu Er : Init Commu Error - Mitsubishi Electric M800 Series Manual

M800/M80/E80/C80 Series Alarm/Parameter Manual
4 MCP Alarms (Y)
Y02

SV commu er: Connect error

Details
A communication error has occurred between controller and drive unit.
x: Channel No. (from 0)
Remedy
Take measures against noise.
Check for any failure of the communication cable connectors between controller and drive unit or between
two drive units.
Check for any failure of the communication cables between controller and drive unit or between two drive
units.
A drive unit may be faulty. Take a note of the 7-segment LED contents of each drive unit and contact the
Service Center.
Update the drive unit software version.
(Note) When two or more alarms (Y02 0051) occur at the same time, only the alarm which has occurred first is
displayed.
Y02

SV commu er: Safe posn FB err

Details
A communication error has occurred between controller and drive unit.
x: Channel No. (from 0)
Remedy
Take measures against noise.
Check for any failure of the communication cable connectors between controller and drive unit or between
two drive units.
Check for any failure of the communication cables between controller and drive unit or between two drive
units.
A drive unit may be faulty. Take a note of the 7-segment LED contents of each drive unit and contact the
Service Center.
Update the drive unit software version.
(Note) When two or more alarms (Y02 0051) occur at the same time, only the alarm which has occurred first is
displayed.
Y02

SV commu er : Init commu error

Details
A communication error has occurred between controller and drive unit.
A drive unit stopped due to transition failure from initial communication to runtime.
x: Channel No. (from 0)
y: Drive unit rotary switch No. (from 0)
Remedy
Take measures against noise.
Check for any failure of the communication cable connectors between controller and drive unit or between
two drive units.
Check for any failure of the communication cables between controller and drive unit or between two drive
units.
A drive unit may be faulty. Take a note of the 7-segment LED contents of each drive unit and contact the
Service Center.
Update the drive unit software version.
(Note) When two or more alarms (Y02 0051) occur at the same time, only the alarm which has occurred first is
displayed.
0051
0051
0051
67
x006
x007
xy20
IB-1501279-H