13-2 Troubleshooting MN448
13.3 Drive Module Status LED’s
Each control module features two status LED’s, labelled A1 and A2; these indicate the drive status.
LED A1 (Green, Red and Yellow) Drive Status
LED A2 (Green) Power On Condition
Table 13-1 Drive Model LED Status
Drive Status
LED Status
A1 A2
Green Red Yellow
Stop/Inhibit Slow ashing Off Off
Running Constant On Off Slow ashing if overload
Standby Constant On Off Blink every 3s
Trip Off Constant On Off
Power not supported Off Blink every 3s Off
Internal Comms Loss Off Red and Yellow slow alternate ashing
Faulty Off Slow ashing Off
External 24V Green and Yellow
slow ashing at
same time
Off Green and Yellow slow ashing at same time
COPYSTICK2
Transfer Pass
Fast ashing 2s Off Off
COPYSTICK2
transfer Fail
Off Fast ashing 2s Off
COPYSTICK2
Fail Other
Off Off Fast ashing 2s
Power Upgrade All three LEDs lights up in order (Green->Yellow->Red->Yellow->…)
IO Upgrade All LEDs on with weak light – uncontrolled due to bootloader
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