TROUBLE SHOOTING GUIDE

Following the procedure below to check if the oven is defective or not.

1.Check grounding before trouble checking.

2.Be careful of the high voltage circuit.

3.Discharge the high voltage capacitor.

4.When checking the continuity of the switches, fuse or high voltage transformer, disconnect one lead wire from these parts and check continuity with the AC plug removed. To do otherwise may result in a false reading or damage to your meter.

NOTE : When electric parts are checked, be sure the power cord is not inserted the wall outlet.

Check wire harness, wiring and connected of the terminals and power cord before check the parts listed below.

(TROUBLE 1) Oven does not operate at all ; any inputs can not be accepted.

CONDITION

Fuse blows.

CHECK

 

 

 

RESULT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check continuity of interlock

 

 

 

Continuity

 

 

 

 

 

 

 

monitor switch with door closed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No Continuity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUSE

Malfunction of interlock moni- tor switch

REMEDY

Replace

NOTE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check continuity of both primary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No Continuity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Malfunction of

 

 

 

and secondary interlock switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interlock switch

 

 

 

with door colosed

 

 

 

 

Continuity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check continuity of primary inter-

 

 

 

 

Continuity

 

 

Shorted con-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

lock switch contact with door

 

 

 

 

 

 

 

 

 

tacts of primary

 

 

 

partially open until interlock mon-

 

 

 

 

 

 

 

 

 

interlock switch.

 

 

 

itor switch contact close

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(COM ↔ NO)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check continuity of primary

 

 

 

 

0Ω or infinite

 

 

 

 

Defective low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

winding of low voltage trans-

 

 

 

 

 

 

 

 

 

voltage trans-

 

 

 

 

 

 

Approx.

 

 

 

 

 

 

 

former

 

 

 

 

 

 

former

 

 

 

 

 

 

 

150~310

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(normal)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Disconnect high voltage fuse

 

 

 

 

Fuse again

 

 

 

 

Defective low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

blows

 

 

 

 

 

 

 

 

 

 

 

 

 

voltage trans-

 

 

 

and operate the unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

former

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace

NOTE 1

Replace

NOTE 1

Replace

Replace

17

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Daewoo KOR-63DB9S, KOR-63FB0S, KOR-63FB9S, KOR-63DB0S Trouble Shooting Guide, Condition, Check Result, Cause, Remedy
Page 17 Page 19

KOR-63DB0S, KOR-63DB9S, KOR-63FB9S, KOR-63FB0S specifications

Daewoo, a well-established brand known for its innovative home appliances, has made waves in the microwave oven market with its models KOR-63FB0S, KOR-63FB9S, KOR-63DB9S, and KOR-63DB0S. These models exemplify a commitment to both functionality and modern design while incorporating advanced technologies to enhance the cooking experience.

The KOR-63FB0S and KOR-63FB9S are standout models that offer a sleek and stylish exterior coupled with powerful cooking performance. Both are equipped with inverter technology, which allows for precise temperature control and even cooking. This innovation ensures that food is heated uniformly, minimizing the risk of hotspots that can occur with traditional microwave ovens. The KOR-63FB9S also features a premium stainless steel finish, adding a touch of elegance to any kitchen.

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All four models boast a spacious internal capacity, accommodating large dishes and multiple servings—ideal for families or gatherings. The microwave ovens feature a power output of 1000 watts, ensuring quick and efficient cooking. The defrost function is particularly noteworthy, enabling precision thawing of meats and seafood, which helps to preserve the texture and flavor of ingredients.

Safety is a priority for Daewoo, and these models are equipped with child safety locks, preventing unintended use and giving parents peace of mind. The removable and washable turntable also enhances ease of cleaning, making maintenance hassle-free.

In summary, the Daewoo KOR-63FB0S, KOR-63FB9S, KOR-63DB9S, and KOR-63DB0S combine cutting-edge technology with modern aesthetics, catering to both style-conscious consumers and those seeking convenient cooking solutions. With features such as inverter technology, user-friendly digital interfaces, and robust safety measures, these microwaves stand out as excellent choices for anyone looking to upgrade their kitchen appliances.
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