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SECTION 4: TROUBLESHOOTING
4.1
INTRODUCTION
4.2
HOW TO USE THIS SECTION
4.3
WHO SHOULD PERFORM REPAIRS
4.4
REPLACEMENT LEVEL SUPPORTED
4.5
OBTAINING REPLACEMENT PARTS
4.6
TROUBLESHOOTING GUIDE
4.1 Introduction
4.2 How to Use This Section
4.3 Who Should Perform Repairs
4.4 Replacement Level Supported
4.5 Obtaining Replacement Parts
4.6 Troubleshooting Guide
This section explains how to identify and correct monitor difficulties and
provides procedures for common service-related activities, such as battery
replacement, clearing paper jams, and adjusting printer darkness.
Use this section in conjunction with Section 3, Performance Verification, and
Section 6, Spare Parts. To remove and replace a part you suspect is defective,
follow the instructions in Section 5, Disassembly Guide. The functional circuit
analysis, located in the Technical Supplement at the end of this manual, offers
information on how the device functions, as well as part locator diagrams and
detailed schematic diagrams.
Only qualified service personnel should open the device housing, remove and
replace components, or make adjustments. If your medical facility does not have
qualified service personnel, contact Mallinckrodt Technical Services.
The replacement level supported for this product is to the printed circuit board
(PCB) and major subassembly level. Once you isolate a suspected PCB, replace
the PCB with a known good PCB. Check to see that the trouble symptom
disappears and the device passes all performance tests. If the trouble symptom
persists, swap the replacement PCB and the suspected malfunctioning PCB (the
original PCB that was installed when you started troubleshooting) and continue
troubleshooting as directed.
Mallinckrodt Technical Services provides technical assistance information and
replacement parts. To obtain replacement parts, contact Mallinckrodt. Refer to
parts by the part names and part numbers listed in Section 6, Spare Parts.
Table 4-1 this section discusses potential symptoms, possible causes, and actions
for their resolution. Should this troubleshooting guide fail to address the
symptoms evident in a particular N-20PA, please contact Mallinckrodt Technical
Services or your local Mallinckrodt representative for assistance.
4-1
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