Technical information

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Servicing should only be performed by a Qualied Service Technician
TEST 5 – CALLING FOR HEAT – NO INDUCER OPERATION
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 inducer.
CONDITIONS:
• Power On – No Hot Water.
• Plugs in Receptacles.
• Red "Call for Heat" LED-ON.
• Inducer "Off".
"call for heat"
LED indicator
"Diagnostic LED
indicator"