DAEWOO ELECTRONICS KOC-1B0K0S User Manual download pdf (Page 21)

Turn table

motor and

oven lamp do

not turn on

Check continuity of

Primary interlock

switch

malfunction

of primary

interlock switch

CONDITION RESULT REMEDY

Check continuity of

Secondary interlock and

D.O.M switch

Check D.C voltage

Being supplied to

RELAY(RY4) coil

Malfunction

Of secondary

Interlock and

D.O.M switch

Defective

touch control

Circuit

Fault contacts

of RELAY

(RY4) or open

relay coil.

Adjust or

Replace

TROUBLE 4) 1) Convection heater is not heated; food will not become hot.

2) convection fan motor does not rotate.

CONDITION CHECK RESULT CAUSE REMEDY

1) Convection

heater is

not heated.

2) Convection

Fan and

Motor does

Not rotate.

Check continuity of

Primary interlock switch

Continuity

Malfunction

Of primary

Interlock switch

Adjust or

Replace

Check continuity of

secondary interlock

switch

Continuity

Malfunctioon

Of secondary

interlock switch

Adjust or

replace

Check continuity of

(heater or motor)

continuity

Check D.C voltage

Being supplied to

RELAY (RY3, RY6) coil

Defective

motor

Approx

24V DC

Defective

Touch control

circuit

Faulty contacts

of RELAY

(RY3,RY6) or

open relay coil

Replace

CHECK CAUSE

Continuity

Approx.

24V DC

TROUBLE 3) Display shows all figures selected, but oven does not start cooking, even

though desired program and time are set and start button is tapped

Adjust or

Replace

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DAEWOO ELECTRONICS KOC-1B0K0S User Manual Page 21

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