Haier BD-478A Problems, Reasons, Removing methods, Fuse is broken, is not good. Cable broken

Problems			Reasons					Removing methods
			1. Fuse is broken					1.	Check if there is short circuit and
			2.	The contact of plug, socket, and cable				solve it, if not, change capable fuse
			is not good. Cable broken.					2.	Check and connect tightly, or
			3.	The voltage is too low, 10-15% less				change.
			than rated voltage					3.	Use till voltage rises to rated
			4. The knob of temperature controller is at					value or attach a stabilizer.
			“rest” position.					4.	Rotate the knob to wanted
Compressor			5.	The temperature controller is out of				position for suitable temperature.
can	not	be	order.					5.	Change the controller.
started			6. Starting relay or thermal protection unit					6.	Change starting relay or thermal
			is out of order or broken.
			7.	Wire broken of motor starting coil or				protection unit.
			operation coil.					7.	Measure using R×1 position of
			8.	The compressor motor is burned or				avometer, if there is wire broken,
								change compressor.
			rotator and stator are blocked to dead.					8.	Change compressor.
			9.	There is leakage of high-pressure gas
			valve or the shaft is embraced to dead.					9.	Change compressor.
			1.	The distance between temperatures				1 Adjust and make it close to
			sensing tube of temp. Controller and					evaporator cover.
			evaporator are too big.
Compressor			2.	The temperature controller is out of				2.Change the temperature
			order.					controller.
starts		too
			3.	Food stuffs in the freezer too much,				3.Reduce them.
frequent,			door opens too frequent and open time
operation
			too long.
time too long,
			4.	The environment temperature is too				4.Put the freezer to suitable place
but			high, humidity too high, airflow is					and make air circulate well.
temperature
			impeded.
drop		in
			5.	The frost layer at the evaporator is too				5.Remove frost regularly.
freezer is too
slow			thick.
			6.	The refrigerant is insufficient or				6.Check or supplement refrigerant.
			leakage.
			7.	Compressor efficiency is reduced.				7.Change compressor.
			8.	The drying filter is blocked.				8.Change new drying filter.
Compressor			1.The knob of temperature controller has					1.	Change the position to
			been set to “over cooling” position.						moderate.
runs	without		2.The		contacting point of temperature			2.	Repair or change.
stop,			controller is adhered.
temperature			3.The		temperature	sensing probe	of	3.	Adjust to suitable position,
in freezer		is	controller is not placed well, and causes						normally contact tightly with
too low			maladjustment						evaporator cover.
			4.Compressor efficiency reduced.					4.Change compressor.
Compressor			1.	Voltage is too low.				1.	Supplement a stabilizer, adjust
buzzes and								to rated value.
cannot be			2.	Starting relay out of order.				2.	Change starting relay.
started,								3.	Change compressor.
			3.	The starting coil		of starting motor	is
thermal			broken.
protection								4.The shaft and piston in the
			4.	Compressor does not run.
unit jump								compressor is blocked, please

２４

PDF created with pdfFactory trial version www.pdffactory.com