What does the flashing light on the AO Smith water heater mean?
Electronic control display on your AO Smith water heater is a very neat feature. The “heating” and “open” flashing light indicates that the problem might be the ignition or flame failure, the GAHH-50 model reached the maximum number of retries so it is in locked out position, which is by default for one hour.
How to troubleshoot AO Smith tankless water heater?
Connections: Check the connections between the remote and the water heater. Make sure you have the correct remote controller. Check for a power surge: Look for signs like burnt out wires or damaged control board. A minor surge or outage might cause LCD displays to flash where power has been lost.
When is a blinking water heater light dangerous?
When Is a Blinking Water Heater Light Dangerous? Most times, the error message on your water heater isn’t a sign of danger. The blinking light tells you something’s up, but most models today shut off before anything becomes unsafe. But, if you are getting an error and notice any of the following, there’s cause for concern:
What to do if your water heater is flashing?
Check is the gas supply available to the water heater (is it on and is the gas pressure according to the recommendations). Check also the manifold pressure and if it is off by more than 75 Pa, replace the lower control. Make sure that the voltage is also according to the manufacturer instructions which is between 115 and 125 VAC.
How often does AO Smith hot water heater flash?
Have talked to my installer. flashes every 3 seconds. He said this is the correct flashing for AO Smith hot water heater!!!!! Electronic control display on your AO Smith water heater is a very neat feature.
Why is my AO Smith water heater not working?
Maybe you go to take a hot shower and find your water heater has failed. Not having instant access is frustrating, to say the least! And it doesn’t help to find a mysterious water heater code flashing at you either. Don’t worry — we’re here to help with tips on understanding those AO Smith tankless error codes.
What does Green diagnostic light on water heater mean?
1 FLASH (GREEN DIAGNOSTIC LIGHT) Unit ok. Indicates power has been applied to the heater prior to fi lling with water. Open the nearest hot water faucet, and fi ll the water heater until a steady stream of water fl ows out of the faucet. Once the water heater is completely fi lled, then shut-off the faucet. Replace control board. Reset the heater.
When Is a Blinking Water Heater Light Dangerous? Most times, the error message on your water heater isn’t a sign of danger. The blinking light tells you something’s up, but most models today shut off before anything becomes unsafe. But, if you are getting an error and notice any of the following, there’s cause for concern:
