Event name Breaking Transistor Error Event code 08850000 hex
Meaning An abnormal operation was detected in the braking transistor.
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 braking resistor connec-
tion terminals are incorrectly
wired.
Check if the braking resistor is
correctly wired to P(+) and DB of
the main circuit terminals.
Check if the motor wiring is incor-
rectly connected to the DB termi-
nal.
→ If there is no incorrect wiring,
replace the inverter
.
Connect the braking resistor cor-
rectly wired to
P(+) and DB of the
main circuit terminals.
(2) The braking transistor is dam-
aged.
Check if the value of the braking
resistor is appropriate or there is
no incorrect connection.
→ If there is no problem, replace
the inverter.
None
Attached in-
formation
None
Precautions/
Remarks
None
Appendices
A-249
M1 Series EtherCAT Type User’s Manual (I670)
A-5 Sysmac Error Status Codes
A
A-5-2 Error Descriptions
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