Sub-Zero Classic Series (BI) Flow Meter Faults | Water Systems | No Flow | Error 50 U 87
- Error code 50 U 87
- Classic Series (BI) shows 50 U 87
- Water flow meter fault with water system no flow detected
- Water flow meter did not detect flow
- Confirm the water pressure to the product is good. Recent water pressure drops may have caused the issue. See How to Confirm Water Pressure.
- Turn the home circuit breaker to the unit off for 30 seconds then back on again.
- Retest the unit operation.
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