Table Of Contents; Safety Precautions - EdgeStar BBR900BL Service Manual

CONTENTS
SAFETY PRECAUTIONS .............................................................................................................................................................2
PARTS IDENTIFICATION .......................................................................................................................................................3-10
DISASSEMBLY.....................................................................................................................................................................11-33
DOOR .....................................................................................................................................................................................11
WOODEN SHELVES..............................................................................................................................................................11
WIRES SHELVES...................................................................................................................................................................12
LAMP............ .................................................................................................................................................................12-15
DISPLAY BOARD BOARD & CONTROL BOARD............................................................................................................15-21
POWER BOARD & TRANSFORMER ...............................................................................................................................21-24
SENSOR & FAN................................................................................................................................................................24-28
COMPRESSOR PTC STARTER & OVERLOAD PROTECTOR...............................................................................28-33
TROUBLESHOOTING.........................................................................................................................................................33-36
COMPRESSOR COMPONENTS ..........................................................................................................................................33
ANOTHER ELECTRIC COMPONENT ..................................................................................................................................34
SERVICE DIAGNOSIS CHART.............................................................................................................................................35
REFRIGERATING CYCLE ....................................................................................................................................................36
DESCRIPTION OF PCB .....................................................................................................................................................37-40

SAFETY PRECAUTIONS

WARNING: This manual and the information contained herein is intended for use by
Please read the followings before servicing your appliance.
certified technicians. The manufacturer or seller is not responsible for the
1. Check if an electric leakage occurs in the set.
interpretation or misuse of the information provided, nor does it assume any liability
2. To prevent electric shock, unplug prior to servicing.
in connection with its use.
3. In case of testing with power on, wear rubber gloves
to prevent electric shock.
The safeguards and warnings indicated in this manual do not cover all possible conditions
4. If you use any appliances, check regular current,
which may occur. Common sense, caution, and care must be exercised.
voltage and capacity.
5. Don't touch metal products in cold freezer with wet
•
hand. It may cause frostbite.
To prevent electric shock, always unplug an appliance from the power supply before
6. Prevent water flowing to electric elements in
attempting any service.
mechanical parts.
•
Disconnect the power cord by grasping the plug, not the cord.
•
Do not bypass, cut, or remove the grounding plug.
•
Prevent water from spilling onto electric elements or the machine parts.
•
Always refer to the rating label on the appliance for rated current and voltage.
•
Always check line voltage and amperage.
•
Always use exact replacement parts.
•
Any attempt to repair a major appliance may result in personal injury and property damage.
7. When sloping the set, remove any materials on the
set, especially thin plate type. (ex.: glass shelf or
books.)
8. When servicing evaporator part, wear cotton gloves
without fail. It is to prevent wound by sharp fin of
evaporator.
9. Leave a breakage of refrigerating cycle to a heavy
service center. The gas in cycle inside may soil
ambient air.
- 2 -