Trouble Shooting
Operating & Maintenance Manual
59
Trouble Shooting Chart
Bold Headings depict the COMPLAINT - Subheadings indicate CAUSES
NOTE: Subheadings suggest sequence to follow troubleshooting.
Table 1: Unit Shutdown
Table 2: Won’t Start/Run:
Cause
Corrective Action
Out of Fuel
Add CLEAN diesel Fuel
Compressor Oil Level Too Low
Add correct oil
Compressor Oil Temp. Too High
See Table 10
Engine Water Temp. Too High
Check coolant level. If necessary, Add.
Loose Wire Connection
Wiggle wires at switches & connector blocks. Make repairs.
Low Fuel Level Shutdown Switch
Replace switch.
Defective Discharge Air Temp. Switch
Replace switch.
Defective Engine Oil Pressure Switch
Replace switch.
Broken Engine Fan Belt
Replace fan belt.
Engine Oil Pressure Too Low
See Table 3 and Table 4.
Defective Shutdown Solenoid
Replace solenoid.
Malfunctioning Relay
Replace relay.
Blown Fuse
Replace fuse/Check for Short.
* < 10 Volts at Shutdown Solenoid
Check battery and alternator. Make repairs.
Engine Malfunctioning
See Trouble Shooting in Engine Section.
Airend Malfunctioning
See Table 10.
Cause
Corrective Action
Out of Fuel
Add CLEAN diesel Fuel
Clogged Fuel Filters
Service filters.
Compressor Oil Level Too Low
Add corrected oil
Loose Wire Connection
Repair or replace connection.
Low Battery Voltage
Check electrolyte level. Check connections.
* <10 Volts at Shutdown Solenoid
Charge battery and alternator. Make repairs.
Defective Alternator
Replace/Repair Alternator
Out of Fuel
Add CLEAN fuel.
Engine Water Temp. Too High
Check fluid level. If necessary, Add.
Malfunctioning Start Switch
Replace switch.
Defective D2 Diode
Replace D2 Diode.
Blown Fuse
Replace fuse/Check for Short.
Engine Oil Pressure Too Low
See Table 3 and Table 4.
Compressor Oil Temp. Too High
See Table 10.
Defective Discharge Air Temp. Switch
Replace switch.
Defective Engine Oil Pressure Switch
Replace switch.
Summary of Contents for P185AWIR
Page 6: ...1 4...
Page 7: ...3 FOREWORD...
Page 8: ...4...
Page 10: ...6...
Page 11: ...7 DRAWBAR NOTICE...
Page 12: ...Operating Maintenance Manual 8...
Page 14: ...Operating Maintenance Manual 10...
Page 15: ...11 Section 1 Safety...
Page 19: ...Safety Operating Maintenance Manual 15...
Page 20: ...Operating Maintenance Manual Safety 16...
Page 22: ...Operating Maintenance Manual Safety 18...
Page 23: ...Safety Operating Maintenance Manual 19...
Page 25: ...21 Section 2 WARRANTY...
Page 30: ...Operating Maintenance Manual WARRANTY 26...
Page 32: ...Operating Maintenance Manual WARRANTY 28...
Page 33: ...29 Section 3 NOISE EMISSION...
Page 39: ...35 Section 4 GENERAL DATA...
Page 42: ...Operating Maintenance Manual GENERAL DATA 38...
Page 43: ...39 SECTION 5 OPERATION...
Page 51: ...47 Section 6 MAINTENANCE...
Page 59: ...55 Section 7 LUBRICATION...
Page 61: ...57 Section 8 Trouble Shooting...