Troubleshooting Guide; Maintenance - Rheem XpressHot Getting Started Manual

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14
G E T TING STA RTE D GU ID E |
Error Code /
Possible Cause
Concern
E3
Not enough water in the tank.
The unit is heating water for
E7
longer than expected.
The water in the tank exceeds
E8
the boiling point.
E9
Issue w/temperature sensor.
Water and
steam spits
Unit is boiling.
forcefully from
spout without
May be normal during
turning on the
initial setup.
dispenser or
faucet.
The unit is unplugged.
The electric outlet
Water is not hot.
is inoperative.
The base unit turned off during
a power outage.
Water is too
Thermostat is not adjusted to
hot or not hot
your needs.
enough.
Water comes out
the vent instead
Outlet tube is blocked.
of the spout.
Water
Corrosion of unit.
discoloration.
Solution
Purge the system by following
the steps to dispense hot water.
Close the hot water outlet and
allow the unit to reach set point.
Unplug the unit and poke the
included ECU reset tool through
the hole in the bottom of the
base unit.
Disconnect the unit and let
the unit cool; plug the unit back
in and monitor for any
additional error codes.
Restart the unit by disconnecting
and reconnecting to the
power supply.
Lower the set temperature and
dispense hot water from the
unit until the issue is resolved.
Continue to lower the temperature
if issue is not resolved. Remember
that at higher altitudes, water boils
at lower temperatures.
Make sure the unit is connected to
a properly grounded electric outlet.
Make sure the circuit breaker or
fuses are functioning properly.
Check that the outlet is not
switched off.
Press the power button to turn
the unit back on.
Adjust the temperature on the
base unit.
Check that the outlet tube is not
kinked, twisted or pinched.
Dispense hot water from the unit
until the water flowing out is clear.
If the issue persists, contact
customer support.

TROUBLESHOOTING GUIDE

EXPERIENCING PROBLEMS WITH YOUR XPRESSHOT?
Please call or email our customer service and technical support team
with any questions or concerns.
TOLL FREE 1.800.543.6163
Email: rheemnext@rheem.com
The table to the left represents some of the most common codes and
concerns we receive. Before calling, please read closely to see if your
concern or problem is addressed.

MAINTENANCE

ELECTRIC SHOCK HAZARD: To prevent electrical shock, disconnect
the power before servicing the unit. Use only a grounded and polarized
electric outlet.
CLEANING THE FAUCET/DISPENSER AND TANK: Only use mild
cleaners to clean the faucet or dispenser and plastic components.
Cleaners with acids, abrasives, alkaline or organic solvents will result in
deterioration of the plastic components and void the warranty.
PERSONAL INJURY: Inspect the connections on the inlet and outlet of
the base unit as well as the faucet or dispenser periodically. Any signs
of damage, cracks, leakage, or weakness should be addressed. Do not
overtighten the connections. Check for any signs of corrosions or leaks
around the faucet or dispenser mount or connections.
CHANGING YOUR WATER FILTER: Before changing your water filter,
make sure the water supply is turned off. Use the cold-water dispensing
method to eliminate any water in the line. Remove the filter and reinstall
a new one as shown. It is recommended to change your filter every year
or at the end of its life, whichever comes first.

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