Failure Codes - Samsung NZ63K7777BK Service Manual

4-3 Failure Codes

4-3-1 Temp Sensor Information
Information
Code
Top Sensor Open Information (Sensor-Top)
It occurs due to a defective sensor, misplaced wires, a defective PCB and
when A/D value that MICOM senses rises over 252.
Also, it may occur when the ambient temperature falls under -10˚C.
Top Sensor Short Information (Sensor-Top)
It occurs due to a defective sensor, misplaced wires, a defective PCB and
when A/D value that MICOM senses falls under 10.
IGBT Sensor Open Information (Assy-Inverter Module)
It occurs due to a defective sensor, misplaced wires, a defective PCB and
when A/D value that MICOM senses rises over 239.
Also, it may occur when the ambient temperature falls under -10˚C.
IGBT Sensor Short Information (Assy-Inverter Module)
It occurs due to a defective sensor, misplaced wires, a defective PCB and
when A/D value that MICOM senses falls under 10.
4-3-2 Safety Information
Information Code Gerneral Function
Touch Button Short
Information
Touch key data
Information
Over Temperature
Information
Pan Detection
Information
DC Motor Locking
Information
Communications
between main
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Solution
It occurs when the control panel's sensor field is shorted
for more than 8 seconds.
ex: No.1 Place a damp cloth on the control panel.
No.2 Liquid boils over and lands on the control panel.
No.3 More than one key is pressed for more than
8 seconds.
No.4 Defective Assy-Touch PCB
It occurs when the Touch key data at Display PCB is inter-
rupted, due to some noise, defects of Display PCB.
It occurs when the temperature of the Top Sensor rises
very highly.
(Estimated temperature of ceramic glass's surface is
more than 250˚C.)
ex: Place a empty cookware on the burner and operate the
hob.
It occurs when the cookware is unsuitable or too small or
no cookware has been placed on the cooking zone.
If the suitable cookware is placed again, the hob will oper-
ate normally.
It occurs when the DC Motor cannot operate due to defects
of PCB, wiring or some disturbance on motor blade.
It occurs when the Main PCB and sub PCB not
communication.
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Solution
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