ITW GSE 4400, Руководство пользователя

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OM-2245 / Operation and Maintenance Manual
ITW GSE 4400 / 400 Hz. Generator Set
March 15, 2015 Chapter 2-4
Page 1
Section 4 Troubleshooting Procedures
1) General
The Troubleshooting Chart located in this section covers the common faults and malfunctions that you
may find during operation or maintenance of this equipment. The chart may not list all faults and
malfunctions that may occur. If a fault or malfunction is not listed in the chart, start looking for the cause
at the source of power in the affected circuit. Refer to the schematic and connection diagram in Chapter
5. Test the circuit systematically until the source of the malfunction is isolated.
The Troubleshooting Chart is arranged by Error code, Error text, Description and then four columns of
possible corrective actions. Always try the 1
st
corrective action before proceeding to the next corrective
action.
WARNING
Exercise extreme care to avoid contact with high voltage leads and components.
High voltage can kill!
CAUTION
Maintenance personnel must be very careful when performing terminal-to-terminal
checks to be certain the proper terminals are being used, especially when using
jumper leads. Damage to electrical components may result from the application of
improper voltage and current.
2) Equipment for Troubleshooting
A good quality multimeter is the only instrument required for troubleshooting. At least two jumper leads
with alligator, or similar clips, will be required. The engine electrical system may be used as a 24 VDC
power source.
3) Parts Replacement
To lessen end item down time and to get a faulty machine back on line as quickly as possible, the black
box concept of parts replacement is reflected in the Troubleshooting Chart. For example, if a component
on a control box board is defective, the quickest way to remedy the situation is to replace the complete
board and send the old to stock.
4) Normal Operational Parameters
The system specifications, which are listed in Chapter 1-1, provide useful information when
troubleshooting abnormal operation. In particular, the Protective System Specifications and the Normal
Operating Characteristics provide information about how the generator set should be operating.
5) Check Connections and Leads
ALWAYS make a check of connections and leads to a component suspected of being faulty. With the
exception of a few instances, it is assumed that connections and wiring have always been checked first
and that power has not been lost as a result of defective wiring or connections.