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 in the display:
●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.
Error Code | Possible Cause | What To Do | |
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11 or 12 | The Gas shutoff valve is not opened fully. | ● Open the Gas shutoff valve fully. | |
| Gas service has been interrupted. | ● Contact gas utility company. | |
| LP Gas is running low. (LP models only). | ● Fill up LP Gas container or replace with | |
|
| a new cylinder of LP Gas. | |
| Air in Gas Line. | ● Bleed all air from gas lines. | |
| Power supply not grounded. | ● Ensure appliance is properly grounded. | |
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| Low inlet gas pressure due to improper sizing | ● Ensure gas line, meter, and regulator are | |
| sized properly. | ||
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| Wrong gas type. | ● Ensure gas type is correct. | |
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| Improper venting, vent material, or vent | ● Ensure venting is per Use & Care | |
| configuration. | Manual. Contact a dealer for service. | |
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15 | The hot water faucet is not opened enough. | ● Open the faucet more to secure enough | |
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| volume. | |
| Water heater has build up of lime deposits. | ● Contact a dealer for service. | |
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05 or 13 | Air intake of the unit and/or vent termination | ● Remove any obstructions of the air | |
| may be blocked. | intake or vent termination. | |
(On error code 05 only: Every | Ventilator or other vents of the room may be | ● Clean the air intake of any dust or | |
60 seconds you hear an alarm | blocked. | grease buildup. | |
or when the faucet is closed, | The air inside the room may be contaminated | ● Open a window or vent to keep the | |
the alarm stops.) | due to long use of a fireplace or spaceheater. | air inside the room fresh. | |
(On error code 13 only: Unit | Heavy ventilation by other equipment or | ● Lower the level of the ventilation of | |
shuts down.) | |||
appliances causing the lack of air intake to the | other equipment or appliances. | ||
| |||
| water heater. | ||
Indoor Water Heater Only |
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Air shortage may be caused by too much steam | ● Avoid direct contact from steam. | ||
| |||
| in the unit. |
| |
| Air intake filter is clogged. | ● Clean the air intake filter. | |
| If the error code is still displayed after taking | ● Please contact a dealer for service. | |
| the above steps. |
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1L | Water heater has buildup of lime deposits. | ● Contact a dealer for service. | |
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99 | Decrease of blower motor ventilation volume. | ● Clean any blockage from heat | |
Outdoor Water Heater Only | (Operation Stops) | exchanger fins and/or blower motor | |
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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.
CAUTION: For your safety, DO NOT attempt repair of gas piping, remote control, burners, vent connectors or other | 33 |
safety devices. Refer repairs to qualified service personnel. |