Samsung FTQ353IWUB Service Manual page 44

4. Troubleshooting
4- Electrical Malfunction
(Continued)
LF radiant element
(No heating or
abnomal working)
* Disconnect power
* Check theLF infinite switch
*Check whether harness connected
wire and the state of LF infinite
switch are in normal
Yes
LF Infinite switch LF Infinite switch
2 2
4 4
4A 4A
*Check whether harness is connected with
cooktop has been loosen or damaged.
*Check the element of LF Radiant on cooktop.
Next Page
No
P1 P1
S1 S1
P2 P2
S2 S2
Yes
*Dual element Right Front(LF)
END
Yes
*Tighted terminal of harness by
compressing not to be loosen.
Yes
*Check whether harness in
terminal of switch has been
loosen or disconnected.
Yes
*Weld with terminal not to be misconnected
if harness is disconnected from terminal
on switch.
END
Fig.5 The drawer of connected wire of Harness
Position Color
P1 red+red
S1 black+brown
P2 balck+black
S2 blue(Indicator lamp)
4A violet
4 violet+gray and yellow
2 blue
44
Remark
240V,3600W
dual switch
Invensys Co.