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23
Care Instructions
CARING FOR YOUR WATER HEATER
Vacation and Extended Shutdown
!
WARNING:
Failure to drain the water heater can cause serious
personal injury from scalding and/or product
damage.
If the water heater is to remain idle for an extended
period of time, the power and water to the heater should
be turned off�
The water heater and piping should be drained if they
might be subjected to freezing temperatures� See “Freeze
Protection” section on page 22�
After an extended shutdown, the water heater’s operation
and controls should be checked by a qualified service
technician�
Troubleshooting Chart
The information in the following troubleshooting chart
may help you diagnose and/or fix a problem you may be
experiencing� Please review this chart before calling for
service assistance�
!
DANGER:
Shock Hazard – Make certain power to the water
heater is OFF before removing protective cover
for any reason. Electric shock will cause death or
serious personal injury.
!
WARNING:
For Your Safety, DO NOT attempt repair of electrical
wiring, gas piping remote control, burners, vent
connectors, or other safety devices. Refer repairs to
a qualified service technician.
Problem Possible Cause Solution
Not enough or no hot water�
1� Unit is not ON� 1� Turn on the unit by pressing the POWER
ON/OFF button�
2� Water shut-off valve is not completely
opened�
2� Check shut-off valve and open completely�
3� Hot water faucet is not completely opened� 3� Open hot water faucet completely� (The
main burner goes off when incoming water
volume is inadequate�)
4� Water piping is frozen� 4� Allow piping to thaw�
5� Electrical power is disconnected or water
supply is shut off�
5a� Plug in the power cord or reconnect
the power supply at the circuit breaker box�
5b� Completely open the water supply valve�
(Inadequate water volume will cause the
main burner to turn off�)
6� The temperature may be set too low� 6� Increase the temperature setting�
7� Mixing valve malfunctions (if
applicable)�
7� Check and replace the mixing valve�
8� Error code displayed on the remote control� 8� See “Service Error Code Chart” on
page 25� If required, contact a
qualified service technician�
9� Not enough water demand� 9� Increase the hot water flow at the
faucet�
10� Water filter is clogged or dirty� 10� Clean the water filter� (See page 17�)
11� Fixture aerator is clogged or dirty� 11� Clean the aerator�
12� Scale buildup in the heat exchanger� 12� Check for error code� If required,
contact a qualified service technician�
13� Hot and cold water lines reversed� 13� Reverse the water lines�
9 1143
7
5
13
10
24
68
1
12
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