The UC displayed on your Rego1 indicates an undercurrent. This occurs when a pump is requested and does not receive any current within 3 seconds, indicating a potential problem with the pump. When UC is displayed, the 2nd pump (if dual) will attempt to run. Please revert to the O&M manual. If you still experience issues, please contact our Techincal Helpdesk on 0330 9000 999.
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