34
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 shut off devices 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 vent
an
d/or combustion air-
inlet systems. Please contact a qualified Service Technician if this occurs.
Problem
Possible Causes
What To Do
Condensation
This usually happens when a new
heater is filled for the first time.
This is normal, after the water in
the tank warms up, the condensa-
tion will disappear. Refer to page
10 for more information.
Moisture from the products of
combustion condensing on the
tank surface.
This is normal and will disappear
in time. Refer to page 10 for more
information.
An undersized water heater will
cause condensation.
Use a water heater size that meets
the requirements of your needs.
Yellow flame or soot
Scale on top of the burner.
Contact a qualified service techni-
cian to remove scale.
Vent and/or combustion air-inlet
systems are blocked.
Remove obstruction or debris from
vent and/or combustion air-inlet
systems.
Unable to light the main burner
Air in gas line.
Contact a qualified service techni-
cian to purge the air from the gas
line.
Blocked vent system.
Contact a qualified service techni-
cian to evaluate vent system for
blockage.
Blocked combustion air-inlet sys-
tem
Contact a qualified service techni
-
cian to evaluate the combustion
air-inlet system for blockage.
Pressure Switches
Make sure the pressure switch
hoses are not "kinked".
Wire Connection(s) not fully
secured.
Contact a qualified service techni-
cian to confirm wire connections.
Combustion Shut-off Device
tripped.
Combustion Shut-off Device(s)
should be inspected by a qualified
service technician.
Gas Control Problem
Contact a qualified service techni-
cian.
Main burner does not
Energy shut off device open.
The combination gas control (ther-
mostat) should be replaced by a
qualified service technician.
Combustion Shutoff Device
Tripped.
The combustion shutoff device
should be inspected by a qualified
service technician.
CAUTION: For your safety DO NOT attempt repair of gas piping, combination gas control (thermostat), burners, vent and/
or combustion air-inlet systems or other safety devices. Refer repairs to qualified service personnel.
CAUTION: label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and
dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING.
Summary of Contents for Power Direct Vent Series
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