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Fault Code 49 = Stop Checkback
The LTM R controller performs diagnostic tests that detect and monitor the proper functionality of control
There are 4 control command diagnostic functions:
Start Command Check
Run Check Back
Stop Command Check
Stop Check Back
Stop Check Back
The Stop Check Back causes the LTM R controller to continuously monitor the main circuit to ensure no
current is flowing. The Stop Check Back:
reports a Stop Check Back fault or warning if average phase current is detected for longer than 0.5
seconds without a Run command, or
ends, when a Run command executes
Actions that can be taken :
Check the following:
all wiring, including:
control wiring circuit, including all electromechanical devices
power wiring circuit, including all components
load CT wiring.
After all checks are complete:
1 Reset the fault.
2 If the fault persists, cycle power and wait 30 s.
3 If the fault persists, replace the LTM R controller.
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