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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 produc-
ing 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.
16
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 ex-
ceeded 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 tempera-
ture may be colder during
the winter months
Not enough clearance
above heat pump to allow
air to circulate.
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 cor-
●
rected. Contact the water supplier or plumbing con-
tractor 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
●
M ake sure electric supply to water heater and 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 21 for more information.
This is normal. The colder inlet water takes longer to
●
heat.
Make sure there is at least 8" of air space between the
●
top of the heat pump and the ceiling.
See the Temperature regulation of the water heater
●
section of this manual
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