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SECTION VII: TROUBLESHOOTING
CAUTION
For your safety, the repair and servicing of this equipment shall only be performed by a
qualified agency.
Table 9:
General Troubleshooting
Problem
Possible causes
Recommended Action
Unable to light the burner
1) Check display for error code.
1) See Tables 10 and 11.
2) Air in the gas line.
2) Contact qualified agency to purge the air
from the gas line.
3) Loose wire connection.
3) Contact qualified agency to inspect wiring.
Burner does not stay lit
1) Check display for error code.
1) See Tables 10 and 11.
Rumbling noise in the tank during
burner operation
1) Scale or sediment build-up in tank.
1) Drain the water heater to remove scale and
sediment.
Insufficient hot water
1) Heater undersized for load
1) Reduce hot water usage rate.
2) Check display for error code.
2) See Tables 10 and 11.
3) Temperature setting of control is too low.
3) Adjust setting as required.
Water too hot or not hot enough
1) Control temperature setting is too high or low. 1) Adjust setting as required
T&P relief valve is dripping water.
1) Excessive pressure condition in tank
(greater than 150 psi).
1) Contact qualified agency to inspect water
piping system. Expansion tanks are required
in closed systems.
T&P relief valve is gushing hot water. 1) Excessive temperature condition in tank
(greater than 210°F).
1) Lower the temperature setting on the control.
See "Section V: Operation" for instructions to
adjust the temperature setting.
Содержание OT125
Страница 31: ...SECTION IV INSTALLATION Page 31 Figure 24 Piping Diagram One Unit Figure 25 Piping Diagram Two Units ...
Страница 33: ...Page 33 Figure 28 Piping Diagram One Unit with 3 Port Storage Tank SECTION IV INSTALLATION ...
Страница 37: ...Page 37 SECTION IV INSTALLATION Figure 32 Schematic Wiring Diagram ...