Rheem GG Series - Manual (Page 24)

Customer Service
T
roubleshooting Tips
Care and Cleaning
Operating Instructions
Installation Instructions
Safety Instructions
24
Before You Call For Service…
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.
Rattling noise Internal heat trap ● This is normal for heat trap fittings when in operation
during periods of fittings in operation. and does not indicate a need for service.
water usage
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 Temperature regulation of the water heater
may be set set too low. section of this manual.
Leaking or open hot ● Make sure all faucets are closed.
water faucets.
Cold water inlet ● This is normal. The colder inlet water takes longer
temperature may be to heat.
colder during the
winter months.
Water is too hot The gas control (thermostat) ● See the Temperature regulation of the water heater
is set too high. section of this manual.
CAUTION: For your safety DO NOT attempt repair of gas piping, gas control (thermostat), burners, vent
connectors or other safety devices. Refer repairs to qualified service personnel.