Applicable Systems
DVP
AH500
AS300
C2000
MS300
Symptoms
FOR/NEXT loop nesting exceeds the maximum of 6 levels. The loop structure cannot be executed.
Possible Causes
- More than 6 levels of FOR/NEXT loops are nested
- Loop structure was modified without checking nesting limits
Troubleshooting Steps
- Step 1: Review the FOR/NEXT loop nesting structure
Nesting exceeds 6 levels - Step 2: Refactor loops to reduce nesting to 6 levels or fewer
Program compiles without error
How to Reset
To reset: Reduce FOR/NEXT nesting to 6 levels or fewer, then recompile and download.
Source: Delta DVP PLC Programming Manual, Delta Electronics
Category: PLC & VFD