Weil-McLain Evergreen EVG 220 Manual page 104

®
gas
Troubleshooting
Make sure to determine the causes of outages. Do not leave the boiler operating without a com-
plete diagnosis.
Control fault indications
1. The control provides diagnostic infor-
mation for both automatic reset con-
ditions and manual reset conditions.
See Figure 71, page 67 for information
available on the control display and
navigation instructions for all menus.
Figure 100
Control display toggles when in lockout, with screen flashing red to gray
– 104 –
-
fired water boiler
(continued)
2. Figure 100 shows the screen behavior
during a fault condition. The display il-
lustration and text below in Figure 100
shows how to reset faults from the
Home Owners screen.
— 220/299/300/399 Boiler Manual
3. Figure 101, page 105 lists conditions
that will cause the control to display
a constant red screen. The boiler will
automatically restart if the condition
self-corrects or the technician uses the
control's manual reset screens to reset.
Part number 550-100-131/0120