YASKAWA T1000V Technical Manual page 241

Minor Faults and Alarms
■
When a minor fault or alarm occurs, the ALM LED flashes and the text display shows an alarm code. A fault has
occurred if the text remains lit and does not flash.
example, can trigger both faults and minor faults. It is therefore important to note whether the LEDs remain lit or if the
LEDs flash.
LED Operator Display
bb
bUS
CALL
CE
CrST
dEv
EF
EF1 to EF6
to
FbH
FbL
Hbb
HCA
oH
oH2
oH3
oL3
oL4
oS
ov
PASS
PGo
rUn
SE
UL3
UL4
Uv
YASKAWA ELECTRIC SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual
Refer to Alarm Detection on page
Table 6.6 Minor Fault and Alarm Displays
Name
Drive Baseblock
Option Card Communications Error
Serial Communication Transmission Error
MEMOBUS/Modbus Communication Error
Can Not Reset
Excessive Speed Deviation (for Simple V/f with PG)
Run Command Input Error
External Fault (input terminal S1 to S6)
Excessive PID Feedback
PID Feedback Loss
Safe Disable Signal Input
Current Alarm
Heatsink Overheat
Drive Overheat
Motor Overheat
Overtorque 1
Overtorque 2
Overspeed (for Simple V/f with PG)
Overvoltage
MEMOBUS/Modbus Test Mode Complete
PG Disconnect (for Simple V/f with PG)
During Run 2, Motor Switch Command Input
MEMOBUS/Modbus Test Mode Fault
Undertorque 1
Undertorque 2
Undervoltage
6.3 Drive Alarms, Faults, and Errors
256. An overvoltage situation, for
Minor Fault Output
(H2- = 10)
No output
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
No output
YES
YES
YES
YES
YES
YES
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