Weil-McLain EcoTec 80 Manual page 123

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