Haier BD-478A service manual Why freezer cannot be used at low temperature environment

Models: BD-478A

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12.1.9Why freezer cannot be used at low temperature environment

not effective, take a piece of sponge with about 10mm wide, 5mm thick, a little longer than the seam and put it inside the seal bar, i.e., the place between the bottom of seal bar and the door cushion. This will make the seam place higher and adhere to freezer body the same as other places.

12.1.9Why freezer cannot be used at low temperature environment

When environment temperature is below zero, the lubrication ability of freezing oil in freezer compressor will decrease, the compressor will be difficult to start or cannot be started, or

Compressor damage may occur.

12.1.10How to know there is problem with compressor

motor

It is easy to find out motor problem by checking the resistance of coil. The method is to connect the terminals of “common” and “run” using ohm- meter, the coil resistance can then be determined. Using terminals “common” and “start” can measure the resistance of starting coil. If the value is infinite, the coil must be open. If the resistance is much less than the value the motor has, there must be short circuit problem inside the motor or the windings are burned.

MAINTENANCE SERVICE AND TROUBLE SHOOTING

Maintenance Service and Trouble Shooting

12.1.11 Freezer problem analysis and service

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Haier BD-478A Why freezer cannot be used at low temperature environment, Maintenance Service And Trouble Shooting