SERVICE MANUAL
Model: HRF328\368
2
Issue 2015-7-18
Rev.
Ref 1507S002V1
Contents
Table of Contents
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1. General Information ································································································ 3
1-1.
General guideline ······························································································ 3
1-2. Insurance Test ··································································································· 3
1-3. How to read this Service Manual ······································································· 4
2. Product Feature ······································································································ 5
2-1. Specifications ··································································································· 5
2-2. External views ·································································································· 9
3.
Installation, adjustments and maintenance
··················································· 10
3-1. Unpacking ········································································································ 9
3-2.
Adjusting ·········································································································· 9
3-3. Electrical Requirement ····················································································· 9
3-4. Operating ·········································································································· 10
3-5. Cleaning ········································································································· 11
4. Disassembly ············································································································ 12
4-1. Door assembly (Door, hinge, hinge cover) ······················································· 12
4-2. Control panel assembly (Panel, cover board, knob, indicator light) ················· 12
5. Control and display system ··················································································· 13
5-1. Control and display panel ················································································· 13
5-2. Start-up ············································································································· 13
5-3. Error code display and sensor positions ·························································· 15
5-4 Self Test ············································································································ 16
5-5. Control principle of electronic component ························································ 16
6. System flow principle ····························································································· 17
6-1. Refrigeration flow chart ···················································································· 17
6-2.
Refrigeration flow scenograph ········································································· 18
7. Circuit diagram ········································································································ 19
7-1. Brief principle diagram ······················································································ 19
7-2. Wiring diagram ································································································· 19
7-3. Power Board PCB connections……………………………………………………21
8. Trouble shooting ····································································································· 22
8-1. Common problems and solutions ····································································· 22
8-2.Examination and Solutions for Other Problems..................................................22
8-3. Abnormal phenomena ······················································································ 24
