Question about Rinnai Heating & Cooling
The Key Symbol means the controls have been locked. Either by accident or intentionally. If you don't have the code to unlock the controls. Turn the Master ON/OFF Switch to OFF and unplug the unit from the wall outlet. Wait 30 minutes and plug the unit back in, turn the Master ON/OFF Switch to ON. The heater should have reverted back to the original factory settings. Now, you can change the settings to whatever you prefer. Just stay away from the Lock-Out button.
Hop this helped you solve the problem. Please let me know. Thanks.
Posted on May 25, 2011
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Posted on Jan 02, 2017
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