Before You Call For Service…
Troubleshooting Tips
Save time and money! Review the charts on the following pages first and you may not need to call for service..
Problem | Possible Cause | What To Do |
Not enough or no hot water.. | Water Shutoff valve is not fully opened.. | ● Check shutoff valve and open fully.. |
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| Hot water faucet is not fully opened.. | ● Open hot water faucet completely.. |
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| (The main burner goes off |
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| when incoming water volume is |
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| inadequate..) |
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| Water piping is frozen.. | ● Allow piping to thaw.. |
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| No electricity or water supply is cut off.. | ● Check that proper power is being |
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| supplied and/or water supply is |
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| adequate.. |
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| Unit is not “ON”.. | ● Turn the unit “ON” by the button on |
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| the remote control.. |
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| The temperature may be set too low.. | ● Increase the temperature setting.. |
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| Mixing Valve Malfunctions | ● Check and replace if necessary.. |
| (if applicable) |
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| Error code displayed on remote control.. | ● See instructions for Error Code and if |
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| required, contact a dealer for service.. |
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| Not enough water demand.. | ● Increase water flow.. |
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| Water inlet filter clogged.. | ● Clean water inlet filter.. |
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| Fixture aerator is clogged.. | ● Clean aerator.. |
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| Scale buildup in heat exchanger.. | ● Check for error code.. If required, |
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| contact a dealer for service.. |
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| Hot and cold water lines reversed.. | ● Reverse water connections.. |
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Water not hot enough.. | The temperature may be set too low.. | ● Increase the temperature setting.. |
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| The gas valve is not fully opened.. | ● Check and open the gas valve fully.. |
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| Gas supply pressure is low.. | ● Call your gas company to verify the |
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| gas meter and gas piping size.. |
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| Bleed over in one of the hot water | ● Call dealer for service.. |
| fixtures.. |
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Water too hot.. | Temperature is set too high.. | ● Decrease the temperature setting.. |
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| Water shutoff valve is not fully opened.. | ● Check shutoff valve and open fully.. |
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| Small amount of water has been heated.. | ● Allow more water to flow.. |
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Fan continues to rotate after hot water | This function is to supply hot water | ● Normal operation.. There is no need |
faucet is closed.. | when the hot water faucet is reopened.. | to call for service.. |
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CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING.
CAUTION: For your safety, DO NOT attempt repair of electrical wiring, gas piping, remote control, burners, |
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vent connectors or other safety devices. Refer repairs to qualified service personnel. | 31 |
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