4700 Refrigerated Sampler Service Guide
Table of Contents
vii
4.6.2 Line Cord Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
Section 5 Electrical Troubleshooting
and Diagnostics
5.1 4700 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.1.1 Test ‘RAM’ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.1.2 Test ‘ROM’ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.1.3 Test Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.1.4 Test Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.1.5 Test Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.1.6 Test Distributor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5.1.7 Test Flow Meter Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5.1.8 Refrig Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5.1.9 PCB Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5.1.10 Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5.1.11 Battery Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5.1.12 Loaded Battery Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.1.13 Display Analog Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.2 Hidden Menu Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.2.1 Compressor and Compartment Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.2.2 Compressor Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
5.2.3 Fan Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.2.4 Diag Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.2.5 Diagnostic Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.2.6 Test Time/Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.2.7 Pump Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5.2.8 Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5.2.9 Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5.2.10 Enabling SPAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5.2.11 Nonstandard Bottle Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Appendix A Electrical Diagrams
Appendix B Replacement Parts List
B.1 Sampler/Refrigerator Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
B.2 Bottle Configuration Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-32
List of Figures
1-1 16-pin rear connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1-2 4700 Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1-3 Rollers (A) and guides (B) on the pump rotor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1-4 Wetted parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
1-5 4700 Sampler to RS-232 serial communication cable . . . . . . . . . . . . . . . . . . . . . 1-11
1-6 Self-tapping screws: reinstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
1-7 Remove back cover and insulation, refrigeration module . . . . . . . . . . . . . . . . . . 1-16
1-8 Rear view with module removed
(Adhesive strips, Permagum sealant, power cables) . . . . . . . . . . . . . . . . . . . . . . 1-17
1-9 Rear view of refrigeration module (Adhesive strip, Permagum sealant) . . . . . . 1-17
2-1 Pump board connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-2 Pump module replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2-3 Reinstalling the pump module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2-4 Factory test port screw (do not remove) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2-5 Thumb screw removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Содержание 4700
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