TROUBLESHOOTING

TEST 1: 120 VAC TO HEATER CHECK

Conditions:

No Green Display “Power” LED on.

Plugs are in receptacles.

Supply power breaker is not open.

On/Off heater switch is on.

TO EARTH

GROUND

 

BL

 

 

BR

 

 

R

1a 1 1b

BK

 

 

R

 

 

W

 

 

 

 

 

HOT 120 VAC

 

 

 

 

 

 

NEUTRAL

 

 

 

 

 

 

 

 

 

 

 

 

EARTH GROUND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGNITOR/FLAME

SENSOR

R

R

 

120 VAC CIRCUIT

 

FACTORY INSTALLED

W

BY INSTALLER

White Rodgers

Integrated Control

Display

LEDs

Ignition Control

BoardE2

(E14)

From Heater Control

120 V.

(E13) To ON/OFF

 

Switch

 

Supply Neutral

E9 Not Used

Figure 19

Ground

TEST 1

120 V. AC check to water heater ON/OFF switch

Check for 115-125 VAC black wire to ground\

 

115 VAC check to E13 Terminal and 2B receptacle.

IF

then

voltage is not present from on/off switch center

check conditions above.

black wire to ground

check wiring from switch to break box.

Power is present from center on/off terminal

check power from on/off switch to ignition board terminal E13

Voltage is not present at E13 to ground

check wiring from on/off. Left-outside terminal to E13.

 

Replace on/off switch.

Power is present at E13

check power from E14 to water heater control E2 receptacle

Voltage is not present from water heater control

check wiring from ignition control board E14 to water heater control

receptacle E2 black to ground

 

receptacle E2.

 

• Replace ignition control board.

Power is present at E2.

green LED should be on.

 

 

 

Servicing should only be performed by a Qualified Service Agent

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American Water Heater (A)BCG385T500-8N, (A)BCG38T500-8P manual Test 1 120 VAC to Heater Check, Conditions, Then

(A)BCG38T500-8P, (A)BCG385T500-8N specifications

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