beautypg.com

Daewoo KOR-180A0A User Manual

Page 20

background image

CONDITION

CHECK

Check continuity of magnetron

Defective

magnetron

RESULT

No

Continuity

CAUSE

REMEDY

Replace

Outlet has

proper

voltage Fuse

does not

blow.

CONDITION

CHECK

Check continuity of primary

interlock switch

Malfunction of

primary interlock

switch

RESULT

No

Continuity

CAUSE

REMEDY

Adjust or

replace

Turn table
motor and

oven lamp

do not turn

on

Check continuity of secondary

interlock switch

Malfunction of

secondary

interlock

switch

No

Continuity

Adjust or

replace

Check D.C. voltage being

supplied to RELAY (RY2) coil

Defective touch

control circuit

0 V

Replace

Faulty contacts of

RELAY (RY2) or

open relay coil

Approx.

15 VDC

Replace

Display do not shown

countdown

Malfunction of

secondary

interlock switch

Replace

Check continuity of

power supply cord

Open power

supply cord

No

Continuity

Replace

Defective touch

control circuit

Normal

Replace

NOTE1
All these switches must be replaced at the same time, please refer to Interlock Mechanism And Adjustment .

(TROUBLE 2) Display shows all figures selected, but oven does not start cooking, even though desired program and

time are set and start pad is tapped.

20

This manual is related to the following products: