TROUBLESHOOTING

TEST 5: CALLING FOR HEAT - NO BLOWER OPERATION

Conditions:

Power on

Plugs in Receptacles

Red “ Call for Heat” LED - ON

Blower (Draft Inducer) off

Note flash code on ignition control board diagnostic LED.

Water Heater Control - Thermostat

“Call for Heat” LED Indicator

Diagnostic LED

Indicator

120

Ignition Control Board

Ground

 

 

 

Figure 24

 

 

 

 

 

TEST 5

 

 

 

IF

then

 

Pin 1 to ground check has no voltage

reset control by interrupting power. Note possible reasons for this from flashing LED code.

 

 

replace ignition board.

 

Pin 1 to ground has voltage

Proceed

 

Pin 3 to ground has no voltage

check wiring harness and plugs.

 

 

replace blower.

 

 

 

 

 

 

 

 

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 5 Calling for Heat no Blower Operation

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

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