Vacation And Extended Shutdown; Troubleshooting Chart - Rheem RTGH-95XLP-2 Use And Care Manual

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.

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.
Problem
Not enough or no hot water.
5 12
3 4 9 11
13
7
4 2
CARING FOR YOUR WATER HEATER
Possible Cause
1.
Unit is not ON.
2.
Water shut-off valve is not completely
opened.
3.
Hot water faucet is not completely
opened.
8 6
4.
Water piping is frozen.
5.
Electrical power is disconnected or
1
water supply is shut off.
6.
The temperature may be set too low.
10
7.
Mixing valve malfunctions (if
applicable).
8.
Error code displayed on the remote
control.
9.
Not enough water demand.
10.
Water filter is clogged or dirty.
11.
Fixture aerator is clogged or dirty.
12.
Scale buildup in the heat exchanger.
13.
Hot and cold water lines reversed.
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.
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.
Solution
1.
Turn on the unit by pressing the
POWER ON/OFF button.
2.
Check shut-off valve and open com-
pletely.
3.
Open hot water faucet completely.
(The main burner goes off when incoming
water volume is inadequate.)
4.
Allow piping to thaw.
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.
Increase the temperature setting.
7.
Check and replace the mixing valve.
8.
See "Service Error Code Chart" on
page 26. If required, contact a
qualified service technician.
9.
Increase the hot water flow at the
faucet.
10.
Clean the water filter. (See page 17.)
11.
Clean the aerator.
12.
Check for error code. If required,
contact a qualified service technician.
13.
Reverse the water lines.
23