1
SERVICE MANUAL
(One temperature zone control wine coolar)
JG series includes JG18 series, JG32B,JG45AJG50A,JG50A-1,JG50FA
The content below shows different default might happen when the wine cooler is working, and also shows how to
find the defaults and repair the defaults. Please find the corresponding default statement and find the repair
information in the corresponding pages.
Statement: (Fig.4 ) shows the correlative diagram Fig.4
(
→
6 ) shows the correlative page 6
WARNING: Before attempting any cleaning or maintenance this unit Must be disconnected form the
electrical supply, to prevent electrical shock.
▲
Preparation before maintenance
○
Tools
1. Pliers
2. Phillips head screwdrivers
3. Process pipe
4. Electrical Multi meter
5. Amp meter (5A) (caliper cable type)
6. Electrical soldering iron
7. Wire strippers
8. Seal pliers
9/ Scissors
○
Equipment
1. Vacuum pump
2.Soldering iron for copper pipes
3.Gas meter
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Cooling system fault
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How to Evaluate the fault ...
………………………………………………………………………
(Page 3)
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How to repair the fault
…
………………………………………………
……………………………
(Page 3)
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How to remove the air duct board ..
……………………………………………
.
……………………
(Page 4)
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Diagram showing the front side soldered joints
…
..
……………………………………………
(Page 6)
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Diagram showing the rear side soldered joints
…………………………………………………………
(page 7)
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Noise problems
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Compressor noise .
…………………………………………………
..
……………………………
(Page 8)
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Fan noise
…………………………………………………………
..
………
.
…………………
(Page 8)
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Refrigerant jet noise
……
...
…………………………………………
...
…………………………
(Page 9)
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Capillary vibration noise
……………………
...
………
...
……………………
.
………………
...
(Page 9)
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Oil jam noise
……………………………………
..
…
...
…………………
.
…………………
(Page 10)
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Evaporator freezing problems
……………………………………………………………
.
……
(
Page
10)
