What does flashing blue light mean on water heater?

A flashing blue light on a water heater typically indicates that the water heater is operating in “vacation” or “energy-saving” mode. This mode is often enabled to conserve energy when the water heater is not in use for an extended period, such as during vacations or periods of low hot water demand.

Here’s what a flashing blue light typically signifies:

  1. Energy-Saving Mode: Many modern water heaters come equipped with energy-saving features that allow them to operate more efficiently and reduce energy consumption. When the water heater is in energy-saving mode, a flashing blue light may indicate that the heater is maintaining a lower temperature setting to conserve energy.
  1. Standby Mode: In standby mode, the water heater is still powered on and ready to provide hot water when needed, but it operates at a reduced capacity to minimize energy usage. The flashing blue light serves as a visual indicator that the water heater is in standby mode.
  1. Temperature Adjustment: Some water heaters allow you to adjust the temperature settings or enable energy-saving features using a control panel or mobile app. The flashing blue light may indicate that the temperature setting has been adjusted or that an energy-saving mode has been enabled.

If you see a flashing blue light on your water heater and you’re unsure about its meaning or how to adjust the settings, refer to the manufacturer’s instructions or user manual for guidance. The manual should provide information on the various indicator lights and what they signify, as well as instructions for adjusting temperature settings or enabling energy-saving modes.

If you’re unable to resolve the issue or if the flashing blue light persists despite following the manufacturer’s instructions, consider contacting the manufacturer’s customer support for assistance. They can provide further guidance and troubleshooting tips to help you address any issues with your water heater.

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