Ruud PowerVent AP14236 - Manual (Page 30)

30
Before You Call For Service…
Troubleshooting Tips
Save time and money! Review the charts on the following pages first and you may not need to call for service.
This water heater incorporates a combustion shut off device that shuts the operation of the water heater
down if undesirable combustion conditions occur, such as the presence of flammable vapors or blockage of
the combustion air inlet openings. Please contact a qualified Service Technician if this occurs.
Problem Possible Causes What To Do
Condensation This usually happens when  This is normal. After the water in the tank warms
a new water heater is up, the condensation will disappear. If, however, the
filled for the first time. condition persists, examine the piping and fittings
for possible leaks.
Moisture from the products  This is normal and will disappear in time. Excessive
of combustion condensing condensation can cause main burner outage.
on the tank surface.
An undersized water  Use a water heater size that meets the requirements
heater will cause of your needs.
condensation.
Yellow flame Scale on top of the burner.  Contact a qualified service technician to remove scale.
or soot
Flue or Combustion air inlet  Remove obstruction or debris from flue or
openings are restricted. combustion air inlet openings on water heater jacket.
Not enough combustion or  Proper operation of the water heater requires air for
ventilation air supplied to combustion and ventilation. See the Combustion and
the water heater location. Ventilation Air information in the “Installing The
Water Heater” section of this manual.
Unable to light Air in gas line.  Contact a qualified service technician to purge the air
the main burner from the gas line.
Gas Cock Knob not  Contact a qualified service technician to correctly position
correctly positioned. the gas cock knob.
Blocked Exhaust  Contact a qualified service technician to evaluate vent
pipe for blockage.
Pressure Switch  Make sure the pressure switch hose is not "kinked".
Wire Connection not fully  Contact a qualified service technician to confirm wire
secured. connections.
Combustion Shut-off Device  Combustion shut-off device should be inspected by a
tripped, qualified service technician.
Gas Control Problem  Contact a qualified service technician.
Main burner does not Gas Controls (Thermostat’s)  The gas control (thermostat) should be replaced by a
stay lit single use gas shut-off device qualified service technician.
has opened.
Combustion Shutoff Device  The combustion shutoff device should be inspected
Tripped. by a qualified service technician.
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.