4
Maintenance
Troubleshooting
SYMPTOMS
POSSIBLE CAUSE
Compressor will not start
Check if the power cord has been plugged in.
Check for blown fuse.
Poor Performance
Move the unit from direct sun light, and avoid
installing heating devices near the unit.
Install the unit in a well ventilated place with minimum
of 6” clearance in the back.
Check the condenser, and clean if heavy dust is
collected.
Check to see if contents are blocking the air duct.
Check to see if refrigerant charge is low.
Make sure the door is completely closed.
No Interior Light
Turn off the light switch and turn it on again.
Make sure the light is correctly inserted into the
sockets.
Check the light, and replace it if blown.
Unit Noisy
Make sure to install the unit on level surface.
Make sure to maintain the minimum clearance of 6”
from the wall.
Check for the loose parts or mounting.
Make sure the tubing is free from any contact to avoid
tubing rattle.
• When loading the unit:
- Be careful not to block the air duct located at the back and the fan on the ceiling of the unit with contents.
- Blocking the air flow may cause decrease in performance.
- For the best performance, maintain at least 4 inches of clearance between the contents and the air duct.
• Set the shelves that come with the unit to fit your needs.
• Temperature controller:
- The controller is located at the right, front corner of the ceiling, or on the front bottom panel.
- To adjust temperature please refer to the manual of temperature controller.
• Do not leave the unit door open for long period of time. For the most efficient operation, close the door
immediately after the use.
Summary of Contents for D648BM2F
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