Delta D25886 User Manual Page 258

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  • TROUBLESHOOTING
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5.Troubleshooting
DVP-MC operating manual 5-1
5. Troubleshooting
5.1. LED Indicator Explanation
POWER LED
POWER LED indicates if the power supply of DVP10MC11T is normal.
LED state
Explanation
How to deal with
Green LED on Power supply is normal --
LED off or flash Power supply is abnormal
Check if the power supply for DVP10MC11T is
normal.
RUN LED
RUN LED indicates the state of PLC module.
LED state Explanation How to deal with
Green LED on PLC module is in run state. --
LED off PLC module is in stop state.
Switch PLC to the RUN state according to
demand
ERR LED
ERR LED indicates the state of execution of PLC module program or the state of power supply of
DVP10MC11T.
LED state
Explanation
How to deal with
LED off
PLC module is in the state of normal
work.
--
Red LED flash
1. There are syntax errors in the
program user writes in the PLC
module;
2. Or PLC device or instruction
exceeds the allowed range.
1. Judge the error cause according to the value
of special register D1004 of PLC module.
2. Judge the position of program error according
to D1137 value.
For more details, please see the operation
manual of DVP-ES2/EX2/SS2/SA2/SX2
(Programming).
Red LED blinking
quickly
DVP10MC11T power supply is
insufficient.
Check if the power supply for DVP10MC11T is
normal.
ERR LED: red light flashes (1HZ)
ON
OFF
500ms
500ms
ERR LED: red light blinks quickly (10HZ)
100ms
ON
OFF
100ms
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