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Part number 550-100-260/0520
123
ECO
®
Tec
GAS-FIRED WATER BOILER – 80/110/150/199 BOILER MANUAL
Troubleshooting (continued)
Troubleshooting suggestions —
Faults
Display Condition Diagnostics Corrective Action(s)
Blower Fault 2 Blower unable to reach
required pre-purge speed or
ignition speed.
Blower failed to complete
calibration within 4 minutes
Clears automatically after 1 hour. Check for loose or damaged wires on high voltage and
low voltage blower motor harnesses.
Re-calibrate blower motor in Boiler Settings menu
Blower Fault 3 Blower is outside of
minimum or maximum
speed for 10 seconds.
1 hour automatic reset Check for loose or damaged wires on high voltage and
low voltage blower motor harnesses.
Re-calibrate blower motor in Boiler Settings menu.
Voltage Too High
Voltage Too Low
No Voltage Detected
Voltage Conguration
jumper on J6 installed
incorrectly. 24VAC jumper
installed when should be
120VAC.
120VAC jumper installed
when it should be 24VAC.
No jumper installed
Clears when correct jumper
conguration is installed on J6
Ensure the J6 connector is rmly inserted.
Check the connector on J6 on the control board. It
should match what is specied for this product.
Check incoming voltage on the main power to the
boiler, as well as across each jumper of the J6 connector.
Hardware A2D Fault The analog reading of the
internal voltage reference on
U1 read out of range 2 times
in a row.
Clears when the analog internal
voltage reference is within range.
Power cycle the boiler.
If problems persist, replace the control.
Flame Circuit Fault When the digital ame
input does not sense the
circuit to have discharged
appropriately.
Unit receives manual reset. Power cycle the boiler.
If problems persist, replace the control
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