Elkhart Brass 2900E Series - Manual (Page 11)

10
VI. TROUBLESHOOTING:
Problem Possible Cause Solution
Power not being supplied to
module Turn on power to module and check circuit
breaker
No LED’s light
(no valve function)
Module supply power polarity is
reversed
Correct power input wires
Alternating flashing red
and green LED’s when
first powered up
(no valve function)
Defective switch in controller
Replace controller (Note: must specify whether
controller is a primary or secondary when
ordering)
Alternating flashing red
and green LED’s when
open or close button is
being pushed
(no valve function)
Low voltage under load Check for good power & ground under load
Defective Hall sensor circuit
board in valve gear case
Unplug connector at circuit board (mounted to
bottom of gear case cover); if yellow LED comes
on replace circuit board
Both red and green LED’s
on steady
(no valve function)
Short in signal wire (orange
and/or yellow) between valve
and module Remove harnesses starting at the valve and
working back. Replace the last harness you
unplug before the yellow LED comes on
Flashing yellow LED
Auto-Travel has timed out after
15 seconds
Hall sensor failure; replace circuit board. Valve
jammed; remove debris from waterway. Motor
failure; replace motor and look for cause of failure
Defective Hall sensor circuit
board
Remove gear case cover. With system power on,
hold magnet over sensor and check for steady
burning red or green LED. If both LED’s don’t
light in presence of magnet, replace circuit board
Red or green LED’s will
not stay lit. Red or green
LED flashes when
operating the valve
Defective signal wire (orange or
yellow) between valve and
module
Check harness for broken or frayed wires and
examine connectors and/or loose contact crimps
Burned out LED Replace module
Failed Hall sensor circuit board
Replace circuit board located on bottom of valve
gear case cover
LED will not light
Damaged or broken wires
between valve controller and
valve
Check all wires and connections for damage
Motor assembly not plugged into
harness Check two prong molded connector at valve and
reconnect
Gear segment not in correct
position Reference motor/gear case repositioning Figures 2
& 3
Valve will not open or
close. Lamp flashes,
showing direction, but
valve does not move
Motor is burned up
Remove motor sub from valve and apply 12 VDC
to motor. If motor does not operate, replace