Is there a flashing “L1 or L2” in the ALM: field on the front panel?
The L1 (CH1) and L2 (CH2) are DEV (deviation) alarm indicators. The DEV value can be entered by the operator in the Manual Mode or in the Edit mode on each step of the program. There is a “Common DEV Alarm” output on TB1 of the A2225 Output Interface PCB. This output goes Active whenever the L1 or L2 ALM: display is flashing. Each channels DEV alarm can be configured for 4 different modes in the Programmer Configuration. In any mode, the L1 or L2 will display on the front panel and the output pin will be active if the DEV condition exists. The available modes for each channel are: 1 – During DEV the programmer Runs or Stops. 2 – Alarm Output Resets Automatically or Manually. Run – Automatic Reset: If a DEV condition exists. The programmer will continue to run the program. The L1 or L2 will flash in the ALM field and the output will be active. When the DEV error is corrected the output de-activates and the L1 or L2 display goes blank. Run – Manual Reset: If a DEV condition exists. The p