ERROR CODES
SERVICE MANUAL 71
Error 54/64
Fan error. The gas fan RPM before ignition is not correct.
Steps Check list Solution
1 Go to the test menu. Test the gas fan.
Verify that the RPMs are registered.
If no, test the gas fan. Verify
that there is power input.
2 Test the gas fan: Set the speed at 2000
RPM and verify that the actual RPM
reaches 2000 RPM.
Remove the low voltage plugs
from the IO board J18, J19 and
J20. The fan should run at full
speed. If no RPMs are regis-
tered, change the gas fan.
3 Verify that the main contactor is activated. Ensure that the main
contactor is activated, and
then go to the test menu and
test the fan again.
4 Check the fuses and the wires.
Error 55/65
Ignition failure. Warning only: did not ignite at first try.
Steps Check list Solution
1 Check, clean, or change the electrode or
burner.
2 Go to test menu.
Perform the start-up sequence.
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