American Water Heater (A)BCG385T500-8N User Manual

Servicing should only be performed by a Qualifi ed Service Agent

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

Ignition Control Board

“Call for Heat”

LED Indicator

Diagnostic LED

Indicator

Ground

120

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.