Mitsubishi Electronics MR-G50J-SS-NZ manual Operation by ice making test, Water pipe ·ankT holder

(3) Operation by ice making test
		Ice stock detective		The ice tray is	Water pump motor	Completion
		lever detects the		rolled over and the		When abnormality
Press the	switch				is operates.
		amount of ice.		system is reset.		occurs, the error code
for 5 seconds or		Detective lever once		The ice tray rolls	Remove the lid of
						is displayed on the
more.
		come down to detection		over once to drop	the water tank then	panel.
(See “• Self check		point then return to the		the ice, then return	check the sounds
and error display		original position.		to the original posi-	of water running.	Inspect the abnormal
method and opera-				tion.		points by referring to
tion, 1 Ice making
						page 15, 16.
test operation” at
page 14.)		Ice tray	Detection lever		Check here.

Ice making test completes	(Upper freezer compartment)
		(Lower-left part of refrigerator compartment)
about 20 seconds later.
	[Check point of automatic ice maker operation]

*Never touch the automatic ice maker while it is operating.

After the operational test, a popping sound is heard several times because the operation of three-way valve is checked auto- matically. During the operation, do not insert a hand into the automatic ice maker.

(4) Maintenance for water pump and water pipe

Water pump & Light-type bacteria removing filter							4. Remove the light-type bacteria removing filter
								and wash it in water.
1. Pull out the pipe. 2. Turn the tank			3. Pull out the tank pipe, turn the cap
								Normally the filter need not be replaced. However, replace it
		pump to detach.	to remove, and then wash
								in the following condition:
			the propeller with water.
Water	Tank				Tank pipe			•When the filter is clogged by passing something other than
tank			•The propeller is					water through the filter.
	pipe
			made of the magnet.			Propeller		•When the filter is broken.
			Wash it well with water			Cap	Cover	In such a case, contact the dealer that you purchased this
	Water pump		so that no alien sub-					refrigerator.
			stance remains on it.				5. Put the parts back in the reverse order of disa-
Water pipe ·ankT holder			Light-type bacteria removing filter					ssembly.
1. Pull out water supply		Water		2. Separate pieces and wash with water.					3. Reverse steps to replace the pipe.
pipe. Wipe the tank		supply						•Twist the	Side A	Water pipe
holder with clean cloth. pipe										•Replace the water
								aluminum
•Do not let water flow into			Tank holder					pipe to		pipe.
										Be sure that sides A
the tank holder.						Aluminum pipe		replace it.
				packing					Side B	and B fit flush to
(5) Troubleshooting for automatic ice-maker
										each other.

The ice-maker gear box may be defective, cooling may be poor or ice cubes may be full in the server.

						1.Check inside of the ice server.	•Ice cubes are not stored flatly	➔Inspection
	iceorWateris	trayicetheon	doesiceThenot	fromoutcome	traythe		and the amount is detected as
							full.
							•Food inside the ice server
						2.Measure the resistance of ice tray thermistor	∞	➔Replace the ice tray
						circuit.	•Open circuit ( ') or
							short circuit (0')	thermistor.
						3.Check if the temperature of the freezer com-	•Not enough	➔Poor cooling
						partment is cool enough.
						(It takes longer to make ice during summer
Troublewith ice-making						time or if the door is frequently opened.)
	iceorwaterNo	inthe ice tray	Water in	saucerwaterinwaterdropswater	saucer	which are difficult to remove in the water tank.
						The water saucer may be defective, or the ice tray may get cracked.
						4. Check the water pipe between the refrigerator	•Clogging	➔Clean the water pipe.
						compartment and freezer compartment for dirt,	•Freezing (For freezing, check	➔Defrost
						and foreign objects.	the pipe heater resistance.
						5.Check the condition of ice tray.	•Broken or cracked	➔Replace the tray.
							•Not placed properly	➔Reinstall it properly.
						6.Disassemble the water pump and check the	•Dirt or foreign objects	➔Repair and explain to
						inside of the pipe.		the user for proper
								usage.
						7.Tank pipe is clogged , has a hole or is not	•Clogging, disconnecting	➔Clean / Reinstall it properly.
						properly installed.	•Hole or crack	➔Change the tank pipe.
						8.Check the motor coil resistance.	•Open or short circuit	➔Check the water
								pump.
						9.Check if there are any dirt or foreign object	•Crack or deformation	➔Change the water
				No		Also, check if there is any crack or deformation		tank.
						on the tank.
						10.Check the water pipe for dirt, and foreign	•Clogging, disconnecting	➔Clean / Reinstall it
Water in the tank						objects. Also, check the water pipe position and	•Hole or crack	properly.
						connection.		➔Replace the pipe.
holder
						11.Check the water pipe (between F.compartment	•Clogging	➔Clean / Remove the
						and R.compartment) for clogging.		dirt.
						12.Check the water pump operation by the ice-	•Water filling time is longer	➔Replace the control
Chained ice,						making test.	than 9 seconds.	board.
						13.Water spill at the installation of water tank or more water over the full water level may cause to from
Water leaking from
						chained ice.
the ice server
						14.Measure the water pump coil resistance.	•Open or short circuit	➔Change the water
								pump motor.

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