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400 Service Manual

Sections Panel
General Information
1 Introduction, Important safety information
2 Table of contents
3 Warranty
4 Features
Controls & Operation
5 Electronic control terminology and component descriptions
6 Electronic control system
7 Control board layout and summary
8 Control panel layout, Unit on/off
9 Adjusting setpoints, Lighting system on/off, Alarm bell on/off
10 Temperature unit selection mode
11 Sabbath mode, Showroom mode
12 Supply power to the lighting system
13 Display average compartment temperatures
14 Control compressor, Condenser Fan, Dual refrigerant valve, and Evaporator fan motors
15 Monitor and control off-cycle defrost
16 Possible wine storage error/fault indicators, Warm temperature alarm
17 Cold temperature alarm
18 Thermistor malfunction error/fault indicators
19 Wine storage troubleshooting input operations, Diagnostic mode
20 Diagnostic mode alerts, Clear error codes
21 Manual valve activation mode
22 Temperature log recall mode
23 Temperature log event alerts
24 Temperature log index chart
Sealed System
25 HFC-134a refrigerant service information
26 Sealed system repair procedures
27 Wine storage sealed system, Compressor, Condenser, Filter-drier, Dual refrigerant valve
28 Capillary tube, Evaporator, Suction tubes and heat exchangers
29 Refrigerant flow diagrams
Air Flow & Fan Blade Spacing
30 Air Flow & Fan Blade Spacing
Component Access & Removal
31 Warnings and cautions
32 Kickplate, Door switch and switch box bracket assembly, Door gasket
33 Exterior wrap components
34 Wine rack assembly, Cabinet slide, spacer, and support spacer, Upper light tube
35 Upper and lower evaporator fan cover, Upper evaporator cover, Lower evaporator cover, Support cover
36 Control board, Control panel assembly
37 Compartment thermistors, Evaporator thermistors
38 Evaporator fan assemblies
39 Condenser fan assembly, Refrigerant valve assembly solenoid
40 Evaporator assembly
41 Refrigerant valve assembly (includes filter-drier), Compressor
42 Condenser
Troubleshooting Guide
43 - 46 Temperature problem diagnostic worksheet
47 - 48 Wine storage error code troubleshooting guide
49 - 53 General troubleshooting guide
54 Sealed system diagnostic information
55 Wine storage membrane switch/ribbon cable test procedure
Technical Data
56 Technical Data
LOKRING Information
57 - 58 LOKRING Information
Wiring Diagrams
59 - 61 424, 424FS

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