Event name Thermistor Error Event code 08880000 hex
Meaning The motor’s internal temperature became abnormally high.
Source EtherCAT Master Function Mod-
ule
Source details Slave Detection tim-
ing
Continuously
Error attrib-
utes
Level Minor fault Recovery Error reset Log category System log
Effects User program Continues. Operation Motor stops.
Indicators EtherCAT NET RUN EtherCAT NET ERR EtherCAT LINK/ACT
--- --- ---
System-de-
fined varia-
bles
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
(1) The motor’s ambient temper-
ature exceeds the specified
range.
Measure the ambient tempera-
ture.
→ Lower the ambient tempera-
ture.
Check the ambient temperature
of the motor and set up the nec-
essary cooling conditions.
(2) The motor’s cooling system
failed.
Check if the motor’s cooling sys-
tem is operating normally
.
→ Repair or replace the motor
’s
cooling system.
None
(3) The load is large. Measure the output current.
→ Reduce the load. (Use 1st
Overload Early Warning
Detection Level
(3005-26 hex),
2nd Overload Warning
Detection Level (3005-38 hex),
and Overload early warning 2
Level (3005-23 hex) to reduce
the load before overloading oc-
curs. In winter, the load may be-
come larger.)
→ Lower the ambient tempera-
ture.
→ Increase the Carrier
Frequency (3004-1B hex).
Select a motor and an inverter
according to the load.
(4) The value of 1st Thermistor
level (3008-1C hex) is not appro-
priate.
Check the specifications of the
PTC thermistor and recalculate
the detection voltage.
→ Change the parameter data.
Set the 1st Thermistor level
(3008-1C hex) appropriately.
(5) The PTC thermistor settings
are not appropriate.
Check the value of 1st
Thermistor mode selection
(3008-1B hex).
→ Change the setting of
1st
Thermistor mode selection
(3008-1B hex) to an appropriate
value for the thermistor.
Set the PTC thermistor setting
appropriately.
Appendices
A-255
M1 Series EtherCAT Type User’s Manual (I670)
A-5 Sysmac Error Status Codes
A
A-5-2 Error Descriptions
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