Wilo · Helix VE Pumps
If a fault has a resolution time that extends beyond the initial signal (e.g., 300 seconds), the auto-reset timer will be inactive, displaying '- - -'. This means the fault must be acknowledged manually after it's resolved.
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Resolve the underlying fault condition.
Wait for the fault signal to clear.
Press the rotary knob to manually acknowledge the fault.
Ensure the display returns to the status page.