Laars MASCOT LX, Service Manual

Page: 61 / 94

55
Mascot LX Service Manual
Low Water Cutoff Switch
Fig. B19-1 - Controller for Low Water Cutoff
The LED’s on the front of the Low Water Cutoff unit provide some useful
troubleshooting information. See Fig. B19-1.
Status LED
(red/ green)
Service LED
(amber)
Test button
Status
LED
Service
LED
Condition Necessary Action
Green Off Normal
Red Off Low water condition Check water source. See procedure below.
Green Amber Weak probe signal Clean probe, or replace Low Water Cutoff. See the
procedure on the next page.
Red Amber Low water condition and weak probe
signal
Check water source. See procedure below.
Clean probe, or replace Low Water Cutoff. See the
procedure on the next page.
Blink-
ing
red
Off Control failure Reset the Low Water Cutoff. See the procedure on
the next page. If necessary, replace the Low Water
Cutoff.
Off Off No power to Low Water Cutoff Check the power source and connections
B19