Troubleshooting

The table, below, details the diagnostic codes that can be seen on the Accessory Module. Reference the Accessory Module manual, p/n 238-47878-00, for more details on this control.

 

LED Status

Accessory Module

Probable Cause

 

Status

 

 

 

 

Green

 

LED on continuously.

Power on (no fault).

n/a

 

 

 

 

 

 

 

One flash and three

Leak alarm fault.

 

Red

 

Inlet Shut-off valve

Water heater tank leak.

 

second pause.

 

 

open.

 

 

 

 

 

Red

 

Two flashes and three

Leak alarm fault.

Water heater tank leak.

 

second pause.

Inlet Shut-off valve

 

 

closed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Leak Sensor resistor

 

 

Four flashes and three

Leak sensor

removed.

Amber

 

2. Leak Sensor improperly

 

second pause.

malfunction.

 

 

connected to Accessory

 

 

 

 

 

 

 

 

Module.

 

 

 

 

 

 

 

 

 

1. Wrong gas control wire

 

 

Five flashes and three

Gas control

harness was used.

Amber

 

missing / not

2. Accessory Module was

 

 

second pause.

connected.

not connected to gas

 

 

 

 

 

 

 

valve.

Red

 

LED strobe (quick

Hardware error.

Internal electronics failure,

 

flashes).

replace Accessory Module.

 

 

 

 

 

 

 

 

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Image 16
Bradford-White Corp PE4503*F(BN,SX), PE440T*F(BN,SX), PE4403S*F(BN,SX) LED Status Accessory Module Probable Cause

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