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13-20-600 Page 70
SYMPTOM
POSSIBLE
CAUSE
REMEDY
Compressor starts too
slowly
1.
Wye Delta switch time set
too long.
1. Contact
your
Gardner
Denver distributor.
2.
Minimum Pressure/Check
Valve is faulty.
2.
Repair or replace.
3.
Supply voltage is too low.
3.
Check the supply voltage.
Compressor is low on
delivery and pressure
1.
Restricted air filter.
1.
Clean or replace filter.
2.
Sticking inlet valve.
2.
Inspect and clean inlet
valve.
3.
Minimum pressure valve
stuck closed.
3. Replace
valve.
4.
Oil separator clogged.
4.
Replace.
5.
Intervals of moisture
separator drainage
incorrectly set.
5.
Check the setting in the
AirSmart controller.
6. Condensate
drain
solenoid valve is faulty.
6. Replace.
7.
Leaks in the compressed
air system.
7.
Check for leaks, fix any
leaks found.
8.
V-Belts broken.
8.
Replace.
9.
V-Belts slipping.
9.
Test belt tensioning.
10.
Pressure limits incorrectly
set.
10. Check/correct
pressure
limits in the AirSmart
Controller.
11. Aftercooler
is
frozen
11.
Thaw out. This machine
cannot operate in
temperatures below 32
°
F
(0
°
C).
High discharge air
temperature
1.
Dirty or clogged cooler
face.
1. Clean
cooler.
2.
Insufficient cooling air
flow.
2. Provide
unrestricted
supply of cooling air.
3.
Clogged oil filter or cooler
(interior).
3.
Replace filter or clean
cooler.
4.
Low compressor oil.
4.
Add oil to proper level.
5. Faulty
temperature
sensor.
5. Replace
sensor.
6. Thermostatic
mixing
valve
stuck open.
6.
Repair or replace valve.
Excessive oil
consumption
1. Oil
carryover
through
lines.
1.
See “Oil Carryover”, in this
section.
Summary of Contents for INTEGRA AIRSMART EFC99J
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