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
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