Weil-McLain WM97+100 Manual page 108

WM97+ Series 2
Troubleshooting
Make sure to determine the causes of outages. Do not leave the boiler operating without a com-
plete diagnosis.
WM97+ control fault indications
1. The WM97+ control provides diag-
nostic information for both automatic
reset conditions and manual reset
conditions. See Figure 87, page 77 for
information available on the WM97+
control display and navigation instruc-
tions for all menus.
Figure 116 WM97+ control display toggles when in lockout, with screen flashing red to gray
– 108 –
-
GAS FIRED WATER BOILER
(continued)
2. Figure 116 shows the screen behavior
during an automatic or manual reset
condition. The table below the display
illustration lists manual reset condi-
tions and how to reset from them.
— Boiler Manual
3. Figure 117, page 109 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
WM97+ control's manual reset screens
to reset.
Part number 550-142-204/0117