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Error Code Guide
When an error code is displayed:
● Close the hot water faucet, turn off the switch on the
remote control.
● Wait for about 5 minutes before turning the switch on
again.
● Open the hot water faucet.
If the error code remains shown:
● Close the hot water faucet and turn off the switch on the
remote control.
● Take the proper action shown below and attempt
operation of the appliance again.
If the error code is still shown:
● Turn off the hot water faucet and turn off the switch on
the remote control.
● Take note of the error code displayed and call the
customer service assistance number in the “If You Need
Service” section of the manual on the back cover.
Notice: If an error code other than those listed below is
displayed, immediately turn off the hot water faucet, take
note of the error code, turn off the switch on the remote
control and call the customer assistance number.
CAUTION: For your safety DO NOT attempt repair of gas piping, remote control, burners, vent connectors or other
safety devices. Refer repairs to qualified service personnel.
CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and
dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING.
Error Code Possible Cause What To Do
11 The Gas Shutoff Valve is not opened
completely.
● Open the Gas Shutoff Valve
completely.
12 Gas Service has been interrupted.
LP Gas is running low. (LP models only)
● Contact Gas Utility Company.
● Fill up LP Gas container or
replacewith a new cylinder of LP Gas.
15 The hot water faucet is not opened enough.
● Open the faucet more to secure
enough volume.
16 The method of restarting the unit after
draining the water from it was not performed
in sequesnce.
● See the section "Draining the Water
Heater"
21
Indoor Water Heater Only
Air intake filter may not be attached, or may
not be firmly in place.
● See the section "Cleaning the Intake
Filter".
05
(Every 60 seconds you hear
an alarm or when the faucet is
closed, the alarm stops.)
Indoor Water Heater Only
Air intake of the unit and/or vent termination
may be blocked.
Ventilator or other vents of the room may be
blocked.
The air inside the room may be
contaminated due to long use of a fireplace
or spaceheater.
Heavy ventilation by other equipment or
appliances causing the lack of air intake to
the water heater.
Air shortage may be caused by too much
steam in the unit.
Air intake filter is clogged.
● Remove any obstructions of the air
intake or vent termination.
● Clean the air intake of any dust or
grease build up.
● Open a window or vent to keep the
air inside the room fresh.
● Lower the level of the ventilation of
other equipment or appliances.
● Avoid direct contact from steam.
● Clean the air intake filter.
13
Indoor Water Heater Only
If the error code is still displayed after
taking the above steps.
● Please contact a dealer for service.
1L Water heater has build up of lime deposits.
● Contact a dealer for service.
99
Outdoor Water Heater Only
Decrease of blower motor ventilation
amount. (Operation Stops)
● Clean any blockage from heat
exchanger fins and/or blower motor
33