Samsung FTQ352IWUW Service Manual download pdf (Page 35)

4. Troubleshooting

“E-27”

“E-28”

Disconnect power

Measure sensor resistance.

(1080Ω at the room temperature)

Check the connecting condition of harness

(Oven sensor and CN03 of main PCB)

Measure resistance of connector CN02

of Main PCB (Nomal : 2850Ω)

Make sure the pattern, soldering, damaged

parts related to oven sensor of main PCB,

and repair them or replace main PCB

according to case.

Replace oven sensor

oven sensoroven sensor

*reconnect

*repair damaged

harness replace.

END

CN02CN02

(Main PCB)(Main PCB)

4-1 Failure Display Codes (03 Version)

Safety error

Failure code CAUSE SOLUTION

E-27

oven sensor opened

(over 2950Ω)

1) After 20 seconds from starting to work of

oven, buzzer is beeping 10 times long and

then nally it displays “E-27” or “E-28” as

Error message.

2) If a series of function for error is not

performed at all, please make sure through

the method of 4-1 on 30 page.

E-28

Oven sensor shorted.

(Under 940Ω)

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Samsung FTQ352IWUW Service Manual Page 35