Weil-McLain Series 2 Manual page 97

® S
ERIES
Troubleshooting
Make sure to determine the causes of outages. Do not leave the boiler operating without a
complete diagnosis.
ECO control fault indications
1. T h e E C O c o n t r o l p r o v i d e d
diagnostic information for automatic
reset conditions, manual reset
conditions, and certain functional
warnings. See Figure 78, page 70 for
information menu navigation and
Figure 87, page 76 for DIAGNOSTIC
screen information.
Figure 104 ECO display when a fault occurs—main homeowner screen and manual reset screens shown.
During a fault, the status will change to
"LOCKOUT" and the Time & Date line will
alternate with the fault name. The line "MANUAL
RESET" will appear on the Homeowner screen.
This screen can also be accessed from the
DIAGNOSTIC menu in the contractor screens.
Error Type
Manual Reset
Automatic Reset
Warning
Part number 550-142-190/1218
2
-
G
AS FIRED WATER BOILER
(continued)
2. Figure 104 shows the screen behavior
during an automatic or manual reset
condition.
3. Figure 105, page 98 shows the
i n f o r m a t i o n av a i l a b l e o n t h e
"ERRORS" screens for diagnosing a
fault condition.
Screen color
Flashing RED
Solid RED
Solid RED
(on standby only)
— Boiler Manual
4. Figure 106, page 99 lists conditions that
The "MANUAL RESET" screen will
indicate whether the fault was a manual
or automatic reset, the fault name, and
the time and date it occurred.
Operation
Lockout—will not accept any calls for heat
Lockout—will not accept any calls for heat
Boiler runs during warning condition but may not run as
efficiently.
will cause the fault screen operations.
The reset conditions are listed. Some
will reset automatically but others may
require the use of the control's manual
reset screen to reset the fault.
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