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 11
4
3
7
5
13
10
2
4
6
8
1
12
