Troubleshooting Tips; For Service - Ruud PowerVent 2 AP13370-2 Use And Care Manual

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.
Problem
Condensation
Yellow flame
or soot
Pilot burner not
lighting
Rumbling noise
Relief valve
producing popping
noise or draining
Water is too hot
CAUTION: For your safety DO NOT attempt repair of electrical wiring, gas piping, gas control (thermostat), burners, vent
connectors or other safety devices. Refer repairs to qualified service personnel.
CAUTION: Make certain power to water heater is "OFF" before removing protective cover FOR ANY REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring error can cause improper and dangerous
operation. VERIFY PROPER OPERATION AFTER SERVICING.
Possible Causes
This usually happens when
a new water heater is
filled for the first time.
Moisture from the products
of combustion condensing
on the tank surface.
An undersized water
heater will cause
condensation.
Scale on top of the burner.
Flue or Combustion air inlet
openings are restricted.
Not enough combustion or
ventilation air supplied to
the water heater location.
Air Shutter Adjustment
(LP models only)
Air in gas line.
Pilot burner orifice clogged.
Pilot burner tube pinched or
clogged.
Temperature dial not
correctly positioned.
Scale and sediment
in tank.
Pressure build up
caused by thermal
expansion to a
closed system.
The gas control (thermostat)
is set too high.
Gas Control (Thermostat)
Defective.
What To Do
This is normal. After the water in the tank warms
up, the condensation will disappear. If, however, the
condition persists, examine the piping and fittings
for possible leaks.
This is normal and will disappear in time. Excessive
condensation can cause pilot burner outage.
Use a water heater size that meets the requirements
of your needs.
Contact a qualified service technician to remove scale.
Remove obstruction or debris from flue or
combustion air inlet openings on water heater jacket.
Proper operation of the water heater requires air for
combustion and ventilation. See the Combustion and
Ventilation Air information in the "Installing The
Water Heater" section of this manual.
Refer to the Adjustment Section in "Operating the Water
Heater".
Contact a qualified service technician to purge the air
from the gas line.
The pilot burner should be cleaned or replaced by a
qualified service technician.
The pilot burner should be cleaned, repaired or
replaced by a qualified service technician.
See the "Lighting The Water Heater" section of this
manual.
Clean tank.
This is an unacceptable condition and must be
corrected. Contact the water supplier or plumbing
contractor on how to correct this. Do not plug the
relief valve outlet.
●
See the "Water Temperature Setting" of The Water
Heater section of this manual.
●
Contact a qualified service technician to replace the
gas control (thermostat).
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