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Troubleshooting
Table 7: General Troubleshooting
CAUTION:For your safety, the repair and serving of this equipment shall only be performed by a qualified
agency.
Problem Possible causes Recommended Action
Unable to the burner
Check display for error code See tables 8 and 9
Air in the gas line Contact qualied agency to purge the air
from the gas line
Loose wire connection Contact qualied agency to inspect the wire.
Burner does not stay lit Check display for error code See tables 8 and 9
Rumbling noise in the tank during
burner operation
Scale or sediment built-up in the tank Drain the water heater to remove scale and
sediment
Insufcient hot water
Heater undersized for load Reduce hot water usage rate
Check display for error code See tables 8 and 9
Temperature setting of control is to low Adjust setting as required
Water to hot or not hot enough Control temperature settingis to high or
to low
Adjust setting as required
T&P relief valve is dripping water Excessive pressure condition in tank
(Greater than 150psi)
Contact qualied agency to inspect water
pipe system. Expansion tanks are required in
closed systems.
T*P relief valve is gushing hot water Excessive temperature condition in tank
(Greater than 210°F).
Lower the temperature setting on the control.
See Figure 21: Operation" for instructions to
adjust the temperature setting.
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