Blodgett BCX14E Troubleshooting Manual page 83

L-939
01-20-10
Rev. A
Page 2 of 2
11. The level sensor relay board has three diagnostic LEDs pointed out below in Figure 2, with description of their operation.
Figure 2. Level Sensor Relay Board
Water sensor
LED turns on
when water is
sensed in the
tube.
High "Float"
relay LED
turns on
when HIGH
RELAY is
open.
Low "Float"
relay LED
turns on
when LOW
RELAY is
open.