Watson-Marlow 730 U - Leak Detection; Error Codes

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22.1 Leak detection

If a Watson-Marlow leak detector has been fitted to the pumphead, and a leak is detected; the pump will

display the following message:

Follow the instructions in "Tube replacement " on page113 to replace your tube or tubing element.

If this message is repeated when power is returned to the pump check that the leak detector is clean and

free of debris and cycle the power to the pump.

Note: The message will continue to be displayed unless the leak is cleared and the acknowledge key is

pressed.

22.2 Error codes

If an internal error occurs, an error screen with a red background is displayed. Note: Signal out of

range, over signal and leak detected error screens report the nature of an external condition. They do

not flash.

Error code Error condition Suggested action

Er 0 FRAM write error