Trouble Shooting Chart - Ingersoll-Rand VHP825WCU Operating, Maintenance And Parts Manual

Bold Headings depict the COMPLAINT - - Subheadings suggest the CAUSE
1.
Unit Shutdown:
Out of Fuel
Compressor Oil Temp. Too High
Engine Water Temp. Too High
Engine Oil Pressure Too Low
Broken Engine Fan Belt
Loose Wire Connection
Low Fuel Level Shutdown Switch
Defective Discharge Air Temp. Switch
Defective Engine Oil Pressure Switch
Defective Shutdown Solenoid
Malfunctioning Relay
< 16 Volts at Shutdown Solenoid
*
Blown Fuse
Engine Malfunctioning
Airend Malfunctioning
2.
Won't Start/Run:
Low Battery Voltage
<16 Volts at Shutdown Solenoid
*
Blown Fuse
Malfunctioning Start Switch
Defective Safety Bypass Switch
Clogged Fuel Filters
Out of Fuel
Compressor Oil Temp. Too High
Engine Water Temp. Too High
Engine Oil Pressure Too Low
Loose Wire Connection
Defective Discharge Air Temp. Switch
Defective Engine Oil Pressure Switch
Defective Shutdown Solenoid
Malfunctioning Relay
Engine Malfunctioning
Airend Malfunctioning
3.
Engine Temperature Lamps Stays On:
Broken Engine Fan Belt
Malfunctioning Circuit Board
Ambient Temp. >125_F (52_C)
*
Dirty Operating Conditions
Dirty Cooler
Out of Level >15 degrees
*
Operating Pressure Too High
Recirculation of Cooling Air
Loose Wire Connection
Malfunctioning circuit board.
: > = greater than, < = less than
*
Book 35393560 (12/02)

TROUBLE SHOOTING CHART

Note: Subheadings suggest sequence to follow troubleshooting.
Corrective Action
Add CLEAN diesel Fuel
See Complaint 10
Check coolant level. If necessary, Add.
See Complaint 3 and Complaint 4.
Replace fan belt.
Wiggle wires at switches & connector blocks. Make repairs.
Replace switch.
Replace switch.
Replace switch.
Replace solenoid.
Replace relay.
Check battery and alternator. Make repairs.
Replace fuse.
See Trouble Shooting in Engine Manual.
See Complaint 10.
Check electrolyte level. Check connections.
Charge battery and alternator. Make repairs.
Replace fuse.
Replace switch.
Replace switch.
Service filters. See Engine Operator's Manual.
Add CLEAN fuel.
See Complaint 10.
Check fluid level. If necessary, Add.
See Complaint 3 and Complaint 4.
Repair or replace connection.
Replace switch.
Replace switch.
Replace solenoid.
Replace relay.
See Trouble Shooting in Engine Manual.
See Complaint 10.
Replace fan belt set.
Replace circuit board.
Above spec limit.
Move unit to cleaner environment.
Clean exterior of cooler.
Relocate or reposition unit.
Reduce pressure to spec.
Close side doors.
Repair or replace.
Replace circuit board.
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