What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A122?

CAUTION: For your safety, always handle electrical components with care to prevent potential hazards.

Possible Cause: There seems to be a malfunction with the Shut-Off Valve. What To Do:

1. Conduct a detailed inspection and ensure that the wiring connections are appropriately secure.
2. Disconnect the Shut-Off valve and then reconnect it.
3. If the alarm continues to be active, kindly contact customer service at 1-800-432-8373 for further guidance.

This answer is applicable for the following model: Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit).