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Rheem HB Series User Manual

Rheem HB Series
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17
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 Possible Causes What to Do
Rumbling noise
Water conditions in your
home caused a build up of
scale or mineral deposits in
the water heater.
Allow a few quarts of water to run from drain valve
to remove sediment settlings.
Relief valve
producing popping
noise or draining
Pressure build up caused
by thermal expansion in a
closed system
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
Not enough or no
hot water
Water usage may have
exceeded the capacity of
the water heater.
Wait for the water heater to recover after an abnormal
demand
A fuse is blown or a circuit
breaker tripped
Replace fuse or reset circuit breaker
Electric supply may be off
Make sure electric supply to water heater and section
of this manual.
The thermostat may be set
too low.
See the Temperature regulation of the water heater
section of this manual
Leaking or open hot water
faucets
Make sure all faucets are closed
Electric service to your
home may be interrupted
Contact the local electric utility.
Improper wiring.
See the Installing the water heater section of this
manual.
Manual reset limit (ECO)
See the Temperature regulation of the water heater
Refer to page 3 for more information.
Cold water inlet
temperature may be colder
during the winter months
This is normal. The colder inlet water takes longer to
heat.
Not enough clearance
above heat pump to allow
air to circulate.
Make sure there is at least 8" of air space between the
top of the heat pump and the ceiling.
Water is too hot
The thermostat is set too
high.
See the Temperature regulation of the water heater
section of this manual
!
CAUTION: For your safety DO NOT attempt repair of electrical wiring, thermostats, heating elements or other safety
devices. Refer repairs to qualified service personnel.

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Rheem HB Series Specifications

General IconGeneral
BrandRheem
ModelHB Series
CategoryWater Heater
LanguageEnglish

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