E-one Extreme Series, Руководство по обслуживанию

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Troubleshooting 2–6
Color/Pin # Color/Pin # Normal Reading Operation If Reading is Wrong, Check:
Brown 1 Red 2 OL or Open On/off switch off Bad switch; wet EQD; miswired;
plugged sensing line; obstructed vent;
restricted breather tube
Yellow 5 Blue 6 OL or Open Alarm switch off Bad switch; wet EQD; miswired;
plugged sensing line; obstructed vent;
restricted breather tube
Green 4 Black 3 0.00 — Short Neutral Neutral not connected
Green 4 Red 2
Yellow 5
OL or Open No shorts to
ground
Supply cable cut; water in EQD or
pump controls. Unplug EQD and
retest to isolate shorts.
Green 4 Blue 6 0.1
(200K scale)
Ground to Neutral
feedback across
alarm relay coil
Verify Neutral is good on alarm board;
possible bad bulb or relay on board.
Jump Yellow to Blue to check relay
(pump, buzzer and light should come
on).
Brown 1 Blue 6 0.5
(200K scale)
Redundant run to
alarm return
Supply cable cut; water in EQD or
pump controls. Unplug EQD and
retest to isolate the shorts.
Brown 1 Yellow 5 OL or Open
(200K scale)
Redundant run to
alarm send
Cut cable; wet EQD or controls; stuck
manual run switch
Brown 1 Black 3
Green 4
.400
(200K scale)
Contactor coil Bad coil; wet controls
120V Continuity Checks
This table assumes the pump has shut off on its own or is not installed in a tank.
Table 2–5
This table assumes enough water is in the tank to turn on the alarm.
Color/Pin # Color/Pin # Normal Reading Operation If Reading is Wrong, Check:
Brown 1 Red 2 0.00 — Short or
closed circuit
On/off switch on Low water level; wet EQD; EQD un-
plugged; broken wire; miswired; bad
switch; sensing line leak or blockage;
blocked vent; restricted breather tube
Yellow 5 Blue 6 0.00 — Short or
closed circuit
Alarm switch on Bad switch; wet EQD; miswired;
plugged sensing line; obstructed vent;
restricted breather tube
Green 4 Black 3 0.00 — Short Neutral Neutral not connected
Green 4 Red 2 OL or Open No shorts to
ground
Supply cable cut; water in EQD or
pump controls. Unplug EQD and
retest to isolate the shorts.
Green 4 Yellow 5
Blue 6
0.1
(200K scale)
Ground to Neutral
feedback across
alarm relay coil
Verify neutral is good on alarm board;
bad bulb; possible bad relay on
board. Jump Yellow to Blue to check
relay (buzzer and light should come
on).
Brown 1 Yellow 5
Blue 6
0.5
(200K scale)
Redundant run to
alarm
Supply cable cut; water in EQD or
pump controls. Unplug EQD and
retest to isolate the shorts.
Brown 1 Black 3
Green 4
.400
(200K scale)
Contactor coil Bad coil; wet controls
Table 2–6