No hot water — Possible scale buildup

What does Not enough or no hot water mean?

Scale buildup within the heat exchanger can reduce hot water output. This often requires professional attention.

• Scale buildup in the heat exchanger

Click steps to track your progress.

1. 1

   Check the remote control for any error codes.

2. 2

   If an error code is displayed, refer to the Service Error Code Chart.

3. 3

   If required, contact a qualified service technician.

4. 4

   Ensure the unit is turned on.

5. 5

   Check that the water shut-off valve is fully open.