TROUBLE SHOOTING GUIDE

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

1)Check earthing before trouble checking.

2)Be careful of the high voltage circuit.

3)Discharge the high voltage capacitor.

4)W hen 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

W hen electric parts are checked, be sure the pow er cord is not inserted the w all outlet.

C heck w ire harness, w iring and connected of the term inals and power cord before check the parts listed below.

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

C ON D ITION

Fuse blow s.

 

 

 

C HECK

 

 

 

 

 

RESULT

 

 

 

 

CAU SE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C heck co ntinuity of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M alfunction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interlock m onitor sw itch

 

 

 

 

 

C ontinuity

 

 

 

 

of interlock

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

w ith door closed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

m on itor

 

 

 

 

(C O M ￿N C)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sw itch

 

 

 

 

 

 

 

 

 

 

N o C ontinuity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C heck co ntinuity of both

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N o C ontinuity

 

 

 

 

M alfunction of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

prim ary and secondary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interlock sw itch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interlock sw itch w ith door

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

colosed

 

 

 

 

 

C ontinuity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C heck co ntinuity of prim ary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C ontinuity

 

 

 

 

Shorted contacts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interlock sw itch contact

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of prim a ry

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

w ith door partially open

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interlock sw itch.

 

 

 

 

until interlock m onitor switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

contact close

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(C O M < ->N O )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C heck co ntinuity of

 

 

 

 

 

0Ω or infinite

 

 

 

 

D efective low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

prim ary w inding of low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

voltage

 

 

 

 

 

 

 

Approx.

 

 

 

 

 

 

 

 

voltage transform er

 

 

 

 

 

 

 

 

 

transform er

 

 

 

 

 

 

 

 

 

 

150~310

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(norm al)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D isconne ct high voltage

 

 

 

 

 

Fuse again

 

 

 

 

 

D efective high

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fuse and operate the unit

 

 

 

 

 

￿￿blows

 

 

 

 

 

voltage transform er

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R EM ED Y

Replace N OTE 1

Replace N OTE 1

Replace N OTE 1

R eplace

R eplace

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Daewoo KOR-861G0P, KOR-631G0P, KOR-631H0P service manual Trouble Shooting Guide, Heck Result CAU SE
Page 18 Page 20

KOR-631H0P, KOR-861G0P, KOR-631G0P specifications

Daewoo has established a solid reputation in the realm of kitchen appliances, particularly with its microwave ovens. Among their noteworthy models are the Daewoo KOR-631G0P, KOR-861G0P, and KOR-631H0P, each characterized by their distinct features, innovative technologies, and user-friendly designs that cater to a variety of cooking needs.

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