13–8–610 Page 43
SYMPTOM
POSSIBLE CAUSE
REMEDY
Erroneous Pressure Readings
1.
Electrical noise creating
1.
Make sure transducer wires
[135 – 150 psig constantly].
false readings.
are kept to a minimum length
(9.3 – 10.3 Bars)
and are twisted.
2.
Loose connector.
2.
Measure the DC voltage
between the green and black
wires of the corresponding
transducer at the control
board with zero pressure on
the transducer. If .460 to
.540 volts, replace the plug–
gable connector that connects
transducers to the board.
3.
Bad transducer.
3.
Measure the DC voltage
between the white and black
wires of the corresponding
transducer at the control
board with zero pressure on
the transducer. If 3.10 to
3.60 volts, replace the
transducer.
Oil leak at the bottom of
1.
Gasket leaking.
1.
Replace the gasket.
the seal housing.
2.
Plug leak.
2.
Repair.
3.
Capscrew leaking.
3.
Repair.
4.
Shaft seal leaking.
4.
Change the seal.
Fuse on board blows.
1.
Bad board.
1.
Remove all power from the
unit by opening the main
disconnect, replace fuse,
energize main power. If fuse
blows – replace board.
Fuse on transformer blows.
1.
Shorted coils on hour
1.
If fuse does not blow, check
meter, starter coil,
for shorted coils.
or blowdown valve.
Gardner Denver factory remanufactured replacement compressor air end units
are available from your authorized distributor, on an exchange basis, for all rotary
screw compressor units.
Summary of Contents for ELECTRA-SCREW EDEQHH
Page 11: ...13 8 610 Page 3 200EDE797 Ref Drawing FIGURE 1 3 PACKAGE OIL LEVEL GAUGE SEPARATOR AIR FILTER...
Page 12: ...13 8 610 Page 4 202EDE797 Ref Drawing FIGURE 1 4 PACKAGE CONTROLLER STARTER BOX...
Page 15: ...13 8 610 Page 7 DECALS 206EAQ077 212EAQ077 218EAQ077 211EAQ077 207EAQ077...
Page 16: ...13 8 610 Page 8 DECALS 216EAQ077 217EAQ077 222EAQ077 221EAQ077 208EAQ077...
Page 33: ...13 8 610 Page 25 FIGURE 4 10 WIRING DIAGRAM FULL VOLTAGE DUAL CONTROL 204EDE546 Ref Drawing...
Page 34: ...13 8 610 Page 26 FIGURE 4 11 WIRING DIAGRAM WYE DELTA 205EDE546 Ref Drawing...
Page 53: ......
