Mitsubishi Electronics MR-G50J-SS-NZ manual Trouble Criterion of Main Parts MR-G50J-NZ

6-6 TROUBLE CRITERION OF MAIN PARTS MR-G50J-NZ

Components/

Check Method and Criterion

Parts Mounted

Part Name

Position

Compressor

Black

Model

ETI100E13DAH

In the machine

chamber at the

Rated input

W

45/159 (1620/4800rpm)

rear side of the

frame.

Starting current

A

2.0

White

Running current

A

0.03/2.19 (1620/4800rpm)

Red

Abnormal

Normal

(faulty)

Measure the resistance

Winding

Open (∞ ' )

with a tester.

9.3 '

(Black-White)

or

(White-Red)

(20:)

short circuit

(Red-Black)

(0' )

Motor

Model

MM3-71CCV

In the machine

protector

chamber at the

Connected Open

100 ±50 : or more

rear side of the

frame.

Energize it at 17.0A, 25: for 16 seconds at the longest.

point

Close

61±8: or less

Measure the resistance with a tester. (Ambient temperature : Room temperature)

Contact point

Normal

Abnormal (faulty)

1

2

Less than 1'

Open circuit (∞ ' )

1

2

Refrigerator

Model

UDQM002B3

In the fan grille

fan motor

DC brushless

of the freezer

compartment.

Number of pole

10

Diameter

{150 (Mixed flow fan)

Measure the resistance with a tester. (Ambient temperature : Room temperature)

Normal

Abnormal

(faulty)

Between 1 and 4 (GND and IC

Between 1 and 4

Power): About 12 k'

: open circuit (∞ ' )

Between 3 and 4 (Power and

Between 3 and 4

IC Power): ∞ '

:short circuit (0' )

4

IC Power

3

Power

2

FG

IC

1

GND

1

2 3 4 : Pin No.

Machine

Model

UDQM004B3

In the machine

chamber fan

DC brushless

chamber at the

motor

Number of pole

10

rear side of the

Diameter

{140 (Extra fan)

frame.

Operation method

During compressor operation

Measure the resistance with a tester. (Ambient temperature : Room temperature)

Normal

Abnormal (faulty)

4

IC Power

Between 1 and 4 (GND and IC

Between 1 and 4

3

Power

2

FG

Power): About 9 k'

: open circuit (∞

' )

1

GND

IC

1 2 3 4

: Pin No.

Between 3 and 4 (Power and

Between 3 and 4

IC Power): ∞ '

:short circuit (0' )

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