Troubleshooting; General - State Water Heaters 310C Installation Manual And Owner's Manual

TROUBLESHOOTING

PROBLEM
It takes a long time to
get hot water at the
fixtures.
The water is not hot
enough.
The water is too hot. • Is the set temperature set too high? (p. 34 and 36)
The hot water is not
available when a
fixture is opened.
The hot water turns
cold and stays cold.
Fluctuation in hot
water temperature.
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GENERAL

• The time it takes to deliver hot water from the water heater to your
fixtures depends on the length of piping between the two. The longer
the distance or the bigger the pipes, the longer it will take to get hot
water.
• If you would like to receive hot water to your fixtures quicker, you may
want to consider a hot water recirculation system. (p. 27)
• Compare the flow and temperature. See the charts on p. 50.
• Check cross plumbing between cold water lines and hot water lines.
• Is the gas supply valve fully open? (p. 29)
• Is the gas line sized properly? (p. 19)
• Is the gas supply pressure within specified limits? (p. 18 and 20)
• Is the set temperature set too low? (p. 34 and 36)
• Make sure the unit has 120 VAC, 60 Hz power supply.
• Is the power button turned on?
• Is the gas supply valve fully open? (p.29)
• Is the water supply valve fully open? (p. 29)
• Is the filter on cold water inlet clean? (p. 38)
• Is the hot water fixture sufficiently open to draw at least 0.5 GPM
(1.9 L/min) through the water heater? (p. 33)
• Is the unit frozen? (p. 37)
• Is the flow rate enough to keep the water heater running? (p. 33)
• If there is a recirculation system installed, does the recirculation line have
enough check valves? (p. 27)
• Is the gas supply valve fully open? (p. 29)
• Is the filter on cold water inlet clean? (p. 38)
• Are the fixtures clean of debris and obstructions?
• Is the filter on cold water inlet clean? (p. 38)
• Is the gas line sized properly? (p. 19)
• Is the supply gas pressure within specified limits? (p. 18 and 20)
• Check for cross connection between cold water lines and hot water lines.
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Page
Troubleshooting
SOLUTIONS
Owner's Guide