Trouble Shooting - Ingersoll-Rand XF 7.5 Operators/Instruction Manual And Parts List

5.0 TROUBLE SHOOTING

TROUBLE
Compressor Fails to Start
Repeat Shutdowns
High Amp Draw
Low Amp Draw
High Discharge Pressure
Low Air System Pressure
Unit Running Hot
High Coolant Consumption
Excessive Noise Level
Shaft Seal Leak
Pressure Relief Valve Opens
Black Residue on Belt
Guard/Cooler Box
CHECK POINT NUMBERS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31
32
33
34
28
CHECK POINT NUMBERS
1,2,3
3,4,5,2
8,9,6,7
1,10,12
13,15,16,19
22, 20,17,18,13,15,14,19,7
22,21,23,24,6
28,27,25,26
17,18,31,30,29
32
6,13,15,14,16,19
17,33,34
TROUBLE CAUSE
Control Voltage Not Available
Defective Starter
Motor Overload
Incorrect Overload Size
Line Voltage Variation
Compressor Operating Above Rated Pressure
Dirty Separator Element
Low Voltage
Unbalanced Voltage
Dirty Air Filter
Compressor Operating Unloaded
High Voltage
Incorrect Pressure Switch Setting
Faulty Minimum Pressure Valve
Load Solenoid Valve Defective
Blowdown Valve Defective
Drive Belts Slipping
Air System Leaks
Inlet Valve Malfunction
System Demand Exceeds Compressor Delivery
Coolant Cooler Core Dirty
Low Coolant Level
High Ambient Temperature
Restricted Cooling Air Flow
Separator Element Leak
Plugged Separator Scavenge/Orifice
Compressor Operating Below Rated Pressure
Coolant System Leak
Airend Defective
Motor Defective
Loose Components
Worn or Defective Shaft Seal
Sheaves Misaligned
Worn Sheaves