Troubleshooting; General Information; Engine Faults - Vanguard CPW 125-4-S Series Operation And Maintenance Manual

Troubleshooting

This equipment is to be operated and serviced by qualified personnel only. Refer to the Safety section of this manual.
Do not attempt to bypass any of the safety equipment or instrumentation on this equipment.
Do not attempt to operate this equipment with any of the safety equipment or instrumentation bypassed.

General Information

The following faults are some of the typical problems that can be anticipated during normal operation of the CPW 125-4-S2-
4 Weld-Deck. The solutions listed are some of the acceptable corrections to those problems

Engine Faults:

The CPW 125-4-S2-4 Weld-Deck incorporates the use of an electronic digital display, Engine Digital Display. Many of the
engine faults that occur will result in fault codes to assist with identifying the problem. See the Engine Digital Display in the
Operation section of this manual. Refer to the Engine Diagnostic Trouble Codes; see the appendices at the end of the Weld-
Deck Operation and Maintenance Manual, Weld-Deck welding package CPW 125-4-S2-4.
1. Engine Won't Crank
2. Engine Won't Start
3. Engine Will Not Idle
4. Engine Will Not Go to Full Speed (Run)
5. Batteries fail to charge (low DC voltage)
6. 24VDC Alternator Overcharging (High DC voltage)
7. No or Low 480 VAC Three Phase Supply Voltage
8. Main Breaker Will Not Set
9. 120 VAC or 240 VAC Ground Fault Interrupter (GFCI) Circuit Breakers Will Not Set
10. Electrical Schematics
11. Compressor Faults
Note: See also the CUMMINS® Operation and Maintenance Manual QSB4.5 and QSB6.7 Engine (Bulletin 4021531); see
the appendices at the end of the Weld-Deck Operation and Maintenance Manual, Weld-Deck welding package CPW 125-4-
S2-4.
037-08OP-002D-01
Notice
S/N CB50600021 – UP (Weld-deck)
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