SERVICE MANUAL MR-G57N-T-NZ - B.d.t.
SERVICE MANUAL MR-G57N-T-NZ - B.d.t.
SERVICE MANUAL MR-G57N-T-NZ - B.d.t.
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Vegetable compartment<br />
[6]<br />
Is the temperature of<br />
vegetable compartment<br />
set to “Low”?<br />
No<br />
Yes (Go to or )<br />
Yes<br />
Excessive cooling poor cooling<br />
Set the temperature to<br />
“Low”.<br />
Check the thermistor, vegetable compartment heater,<br />
and control board.<br />
Is one of these error codes indicated when conducting<br />
self-check of operation P.C. board?<br />
Refrigerator compartment thermistor: E13<br />
Vegetable compartment thermistor: E16<br />
Outside air thermistor: E18<br />
No error code is indicated.<br />
Is there resistance of 2.9k<br />
on the wiring side (resistance<br />
of vegetable compartment<br />
heater 1) between connector<br />
CN3A and CN2A on<br />
control board with connector<br />
disconnected?<br />
Yes<br />
No<br />
Check if doors are hermetically closed.<br />
32<br />
Is the temperature of<br />
vegetable compartment<br />
set to “High”?<br />
E18 is indicated.<br />
Follow the refrigerator / slide chilled compartment flowchart on page 27.<br />
OK<br />
Explain proper usage to customer<br />
E13 or E16 is indicated.<br />
No<br />
(Go to or )<br />
Is there a resistance of<br />
approx. 8.9k between<br />
and , terminals of 4-pin<br />
connector which is located<br />
at the right top of fan grille?<br />
When the vegetable compartment is cooled excessively.<br />
Is there voltage AC230V between connector CN2A and CN3A<br />
on control board? Measure the voltage for over 10 seconds. When<br />
an analog tester detects 230V, consider the control board normal.<br />
(230V is outputted every 10 seconds.)<br />
Yes<br />
Are the temperatures<br />
of refrigerator compartment/<br />
freezer compartment<br />
set to “Low”?<br />
Is there a short (0 ) or open<br />
( ) resistance in each thermistor<br />
?<br />
Check refrigerator / slide chilled compartment is excessively cooled (poorly cooled).<br />
Control board<br />
CN2A<br />
CN3A<br />
CN7S<br />
CN8K<br />
CN4D<br />
5-pin connector<br />
6-pin connector<br />
4-pin connector<br />
2-pin connector<br />
Yes<br />
0<br />
or<br />
Operation P.C. board<br />
Outside air<br />
thermistor<br />
TH1<br />
No<br />
No<br />
Yes<br />
Yes<br />
No<br />
Is there a resistance<br />
of approx.<br />
4.4k between<br />
and , terminals<br />
of 2-pin connector<br />
which is located<br />
at the left-back<br />
bottom of vegetable<br />
compartment?<br />
Refrigerator<br />
compartment<br />
thermistor<br />
Set the temperature to<br />
“High”.<br />
Set the temperatures to<br />
“Middle” or “High”.<br />
Replace the operation P. C.<br />
board.<br />
Replace the defective<br />
thermistor.<br />
Check the contact of connector<br />
connecting each<br />
thermistor and connector<br />
CN7S on control board. Fix<br />
the incomplete contact.<br />
Replace the vegetable<br />
compartment heater 1.<br />
Note: Vegetable compartment<br />
heater 1 is combined with<br />
fan grille.<br />
0<br />
or<br />
Replace the vegetable<br />
compartment heater 2.<br />
Note: Vegetable compartment<br />
heater 2<br />
is combined with<br />
partition V/ F.<br />
Replace the control board.<br />
Vegetable<br />
compartment<br />
heater 1<br />
Vegetable<br />
compartment<br />
heater 2
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