A Paloma tankless water heater heats water only when you need it. It does not preheat water over and over and store it for you, so there is no need for a tank. This eliminates the worry of "using the last of the hot water." Because hot water can cause serious injury, it is important to keep your tankless water heater in proper working order. Here are a few problems you might encounter with a Paloma tankless water heater and how to troubleshoot them.
Water is Not Hot
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Step 1
Check the remote control and make sure it is turned to "on."
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Step 2
The water shutoff valve should be all the way open. This valve adjusts the flow of water into the hot water heater.
Step 3
Open your hot water faucet to full. The tankless unit should reset itself and start up again when you turn on the hot water faucet.
Step 4
Increase the temperature setting if it is summer and the water coming in already is warm.
Water is Not the Correct Temperature
Step 1
Turn the setting on the remote control down by pressing the down arrow temperature button for water that is too hot.
Step 2
Press the up arrow temperature button on the remote control for water that is too cold. Do this gradually to make that you do not set the water temperature too high. A good place to start is 110 degrees Fahrenheit.
Step 3
Again, the water inflow valve also must be all the way open.
The Water Heater Smells of Gas
Step 1
Do not touch anything electrical or turn on any appliance.
Step 2
Do not use any phone in the building.
Step 3
Call the gas company outside from a cell phone or a neighbor's phone. Follow their instructions.
Step 4
Call the fire department if you cannot reach your gas supplier. Stay out of your home until you have been authorized to enter again by the fire department or gas company.
An Error Code Shows in the Display on the Remote Control
Step 1
Turn off the hot water faucet. Turn the remote control switch to off.
Step 2
Wait five minutes and turn the remote control switch to on again.
Step 3
Turn the hot water faucet on and open it to full capacity. The tankless unit should start up again when you turn on the hot water faucet.
Step 4
Refer to your manual if the error code remains displayed. If instructions in the manual do not help you correct the problem, call a Paloma dealer for service.
Tip
Call Paloma customer support at 800-432-8373.
Warning
Refer to the "Time/Temperature Relationship in Scalds" chart in your manual to determine the temperature setting for your water heater.