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Topic starter
25/12/2025 1:12 am
Hello all!
I’m banging my head on a Richmond unit here.
When I power it on I get ual dal flashing on the plc and the elevator doesn’t do anything on auto…anyone see this before?
I just replaced a detector, it runs on inspection any insight would be appreciated.
I’m banging my head on a Richmond unit here.
When I power it on I get ual dal flashing on the plc and the elevator doesn’t do anything on auto…anyone see this before?
I just replaced a detector, it runs on inspection any insight would be appreciated.
25/12/2025 2:54 pm
is the PLC battery dead?
Topic starter
30/12/2025 1:38 am
Battery light isn’t on, the battery reads 2.98v
03/01/2026 3:25 am
possible the PLC got wiped..... post a picture of the PLC with input/output lights please
Topic starter
09/01/2026 2:40 am
Fixed, was an intermittent failing input on module.
09/01/2026 5:01 am
Nice find