22
Customer Service
T
roubleshooting Tips
Care and Cleaning
Operating Instructions
Installation Instructions
Safety Instructions
Problem
Possible Causes
What To Do
Rumbling noise
Scale and sediment
●
Clean tank.
in tank.
Relief valve
Pressure build up
●
This is an unacceptable condition and must be
producing popping
caused by thermal
corrected. Contact the water supplier or plumbing
noise or draining
expansion to a
contractor on how to correct this. Do not plug the
closed system.
relief valve outlet.
Not enough or
Water usage may have
●
Wait for the water heater to recover after an abnormal
no hot water
exceeded the capacity
demand.
of the water heater.
Low gas pressure.
●
Check gas supply pressure and manifold pressure.
The pilot may be out.
●
Check the pilot. If necessary, relight using the
instructions in the “Lighting The Water Heater” section
of this manual.
The gas control (thermostat)
●
See the “Water Temperature Setting of The Water
may be set too low.
Heater” section of this manual.
Leaking or open hot water
●
Make sure all faucets are closed.
faucets.
Combustion Shutoff System
●
Contact a qualified service technician.
tripped.
Water is too hot
The gas control (thermostat)
●
See the “Water Temperature Setting of The Water
is set too high.
Heater” section of this manual.
Gas control (thermostat).
●
Contact a qualified service technician to replace the
Defective
gas control (thermostat).
Pilot Lights, but
Combustion Shutoff System
●
Contact a qualified service technician.
Burner will not
tripped.
stay lit
CAUTION:
For your safety DO NOT attempt repair of gas piping, gas control (gas control (thermostat)),
burners, vent connectors or other safety devices. Refer repairs to qualified service personnel.
!
Troubleshooting Tips
Before you call for service…