Sv Commu Er: Node Detect Err; Sv Commu Er: Commu Not Support; Drive Unit Unequipped - Mitsubishi Electric M800 Series Manual

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

SV commu er: Node detect err

Details
A communication error has occurred between controller and drive unit.
No response from drive unit to the request from NC when setting network configuration.
x: Channel No. (from 0)
y: Station 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: Commu not support

Details
A communication error has occurred between controller and drive unit.
Drive unit's software version doesn't support the communication mode that the controller requires.
x: Channel No. (from 0)
y: Station 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.
Y03

Drive unit unequipped

Details
The drive unit is not correctly connected.
Alphabet (axis name): Servo axis drive unit not mounted
1 to 4: PLC axis drive unit not mounted
S: No.1 spindle drive unit not mounted
T: No.2 spindle drive unit not mounted
M: No.3 spindle drive unit not mounted
N: No.4 spindle drive unit not mounted
Remedy
Check the drive unit mounting state.
Check the end of the cable wiring.
Check for any broken wires.
Check the connector insertion.
The drive unit input power has not been ON.
The drive unit axis No. switch is illegal.
IB-1501279-H
0051
0051
axis name
68
xy30
xy31