Troubleshooting Tips; Before You Call For Service - Rheem HB Duct Ready Series Use & Care Manual

Before You Call For Service...

Troubleshooting Tips

Save time and money! Review the chart on this page first and you may not need to call for service.
Problem
Rumbling noise
Relief valve
producing popping
noise or draining
Not enough or no
hot water
Water is too hot
! CAUTION: For your safety DO NOT attempt repair of electrical wiring, thermostats, heating elements or
other safety devices. Refer repairs to qualified service personnel.
Possible Causes
Water conditions in your
home caused a build up of
scale or mineral deposits in
the water heater.
Pressure build up caused
by thermal expansion in a
closed system
Water usage may have
exceeded the capacity of
the water heater.
A fuse is blown or a circuit
breaker tripped
Electric supply may be off
The thermostat may be set
too low.
Leaking or open hot water
faucets
Electric service to your
home may be interrupted
Improper wiring.
Manual reset limit (ECO)
Cold water inlet
temperature may be colder
during the winter months
Not enough air exchange
for Efficient Heat Pump
Operation.
The thermostat is set too
high.
What to Do
A llow a few quarts of water to run from drain valve
●
to remove sediment settlings.
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
Wait for the water heater to recover after an abnormal
●
demand
Replace fuse or reset circuit breaker
●
C onfirm electric supply to water heater and see
●
installation section of this manual.
S ee the Temperature regulation of the water heater
●
section of this manual
Make sure all faucets are closed
●
Contact the local electric utility.
●
S ee the Installing the water heater section of this
●
manual.
See the Temperature regulation of the water heater
●
Refer to page 3 for more information.
This is normal. The colder inlet water takes longer to
●
heat.
If air temperature drops more than 15°F during Heat
●
Pump Operation, more air circulation around heater
is needed.
See the Temperature regulation of the water heater
●
section of this manual
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