If an error code is displayed, or odd behavior of the unit occurs, the first corrective action should be to “Cycle the Power”: Unplug the 120Vac power cord and after 5 seconds plug it in again. If this doesn’t clear the fault, proceed with the “Remedy” in the following table (Table 5).

If wire harness checking is required, examine the integrity of wires themselves, the connector housings, the integrity of the terminals as well as condition of the crimps.

Fault

 

 

Lockout

 

Code

Description

Cause

Remedy

type

Displayed

 

 

 

 

 

 

 

 

 

Control detects that the

 

 

E01, E02

Invalid Rated

configuration selected is not

Continuous

Change the main controller board

KBtu/Model Type.

defined or the configuration

(board).

 

 

has never been set.

 

 

 

 

Control detects that a relay

 

 

E03, E04,

Main Valve Relay

used to enable the Main

Soft

Change the board.

E05, E06

Out Of Sequence.

Valve has failed in either the

 

 

 

 

open or closed position.

 

 

E07

Flame Detected.

Flame detected when no

 

1. Check the flame rod.

 

 

flame was expected.

Soft

2. Check the flame wire harness.

 

 

 

 

3. Change the board.

E08

ECO switch is

Control detects that the

 

1. Measure the water temperature.

 

open.

ECO switch is open,

 

ECO switch open temperature

 

 

preventing power to the

 

is 85±5ºC (185±14ºF) and close

 

 

Main Valve.

Continuous

temperature is 65±5ºC (149±14ºF).

 

 

 

 

2. Check the ECO switch.

 

 

 

 

3. Check the ECO wire harness.

 

 

 

 

4. Change the board.

E09

High temperature

Control detects that the High

 

1. Measure the water temperature.

 

Vent Switch Open.

Temperature Vent Switch is

 

High Vent Switch open temperature

 

 

open, preventing power to

 

is 74±2.8ºC (165±5ºF) and close

 

 

the Main Valve.

Continuous

temperature is 57±2.8ºC (135±5ºF).

 

 

 

2. Check the switch.

 

 

 

 

3. Check the High Vent Switch wire

 

 

 

 

harness.

 

 

 

 

4. Change the board.

E10

120Vac too high.

120Vac > Overvoltage Limit.

 

Nominal voltage is 120Vac.

E11

120Vac too low.

120Vac < Undervoltage

 

Overvoltage limit is 132Vac,

 

 

Limit.

 

Undervoltage limit is 102Vac.

 

 

 

 

1. Check the power cord.

 

 

 

Auto Reset

2. Check the wall outlet.

 

 

 

 

3. Measure the voltage at the board

 

 

 

 

connector J7 between pin1 and pin

 

 

 

 

3. If the voltage is between limits,

 

 

 

 

change the board.

E12

 

Blower Current meets

 

 

 

 

requirements for a

 

 

 

 

completely blocked flue.

 

1. Check the venting system. If the

E13

 

Blower Current meets

 

venting system is clear, recalibrate

 

Blower Current

requirements for a partially

Soft

the unit.

 

abnormal.

blocked flue.

2. Check the blower wire harness.

 

 

 

 

 

 

3. Change the blower.

E14

 

Blower Current meets

 

 

 

requirements for a non-

 

4. Change the board.

 

 

heating blocked flue

 

 

 

 

evaluation.

 

 

 

 

TABLE 5

 

 

48

www.americanwaterheater.com

Page 48
Image 48
American Water Heater 316888-004 warranty Fault Lockout Code Description Cause Remedy Type Displayed

316888-004 specifications

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