A power outage can throw more than just your lights off. It can leave you with cold water when you least expect it, too! No hot water for showers, dishes, or that much-needed cup of tea.
Tankless water heaters are smart devices. However, sometimes internal settings get scrambled, or the components fail to reboot properly. Common issues include the unit not turning on, blinking error codes, or simply the need to hit that elusive reset button.
But don’t panic! Knowing how to reset tankless hot water heater systems is often all it takes to get things back on track. In this guide, we’ll walk you through the exact steps to reboot your system and troubleshoot common post-outage issues right from the experts of Casco Plumbing!
Why Is My Tankless Water Heater Not Working After a Power Outage?
Common Issues After a Power Outage
Here’s what might happen after the lights come back on:
- No hot water: Your system may not recognize that it needs to heat water or fully restart its operations.
- Blinking error codes: These flashing signals can indicate anything from a power surge issue to a minor system glitch.
- Failure to power on: This could point to a tripped breaker, an unplugged unit, or the need for a reset.
Does a Power Outage Affect Tankless Water Heaters?
Tankless water heaters are generally built to withstand power interruptions without causing permanent damage. Learning how to reset tankless water heater systems can help you restore hot water without spending on unnecessary repairs.
Step-by-Step Guide on How to Reset A Tankless Water Heater After a Power Outage
Find the Tankless Water Heater Reset Button
The tankless water heater reset button is usually located on the front panel of the unit, often near the control display or beneath a small cover. Depending on the brand, you might find it labeled as “Reset” or represented by a symbol. For popular brands like Rinnai and Navien, it’s typically easy to spot, but if you’re unsure, refer to the user manual for guidance.
Steps to Reset Your Tankless Water Heater
- Turn off the power: Disconnect the unit from its power source to ensure safety before resetting.
- Press and hold the reset button: Find the button and hold it for 5 to 10 seconds. This prompts the system to reboot.
- Wait for the reboot: Let the system restart completely. Once it’s back on, check for error codes on the display.
Restarting Your Unit After a Power Surge
Check your breaker box for tripped switches and reset those first. Surges can sometimes impact internal components. If your system doesn’t respond after these steps, it’s best to contact a professional for assistance, especially if you’re in need of tankless water heater repair. A skilled technician can diagnose and resolve issues quickly to get your hot water flowing again. Ignoring problems could lead to further damage, so don’t delay in seeking expert help.
Troubleshooting: Why Is My Heater Not Turning On After a Power Outage?
Check the Power Supply
Is your water heater plugged in? Did a breaker trip during the outage? Check the outlet and circuit breaker. Sometimes, a quick reset at the breaker panel is all it takes to restore power to your system. If power isn’t the issue, keep troubleshooting.
Inspect Error Codes
If your heater has a display, it might be flashing an error code. Look up the code in your manual. Sometimes, it’s as easy as giving the system a quick reset.
Examine the Gas Supply (for Gas-Powered Models)
If your heater runs on gas, check the supply line. The valve might have been closed or shifted during the outage.
Actionable Steps to Reset After Power Outages from Casco Plumbing Experts
Start with the basics. Make sure the power is restored, check the breaker box, and locate the reset button on your unit. If blinking error codes pop up or the heater refuses to power on, troubleshooting the gas supply or looking into a potential power surge can often point you in the right direction.
But, some plumbing problems need a bit more than DIY fixes. In situations like these, call the experts at Casco Plumbing . We’re just a call away at 540-554-1938. Stop by our location at 43-W Jubal Early Dr, Winchester, VA 22601, or visit us online at cascoplumbingva.com.