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5 TROUBLESHOOTING GUIDE
Refer to WIRING CONNECTION DIAGRAM.
To be continued
Hot air is not
emitted at
position
Hot-3
Hot-2
Hot-1
Warm-3
Warm-2
Warm-1
Mild-3
Mild-2
Mild-1
or cool air is
not emitted
at position
Cool-3
Cool-2
Cool-1
emitted at
position
Hot-3
Hot-2
Hot-1
Warm-3
Warm-2
Warm-1
Mild-3
Mild-2
Mild-1
or cool air is
not emitted
at position
Cool-3
Cool-2
Cool-1
< TROUBLE >
< CHECK >
< REMEDY >
Check continuity of power cord.
Replace power
cord.
cord.
Check continuity between "6-9"
, "7-9"and "8-10" of Temp switch at
position "Hot"
, "7-9"and "8-10" of Temp switch at
position "Hot"
Check continuity between "6-9"
"7-9" of Temp switch ("8-10" open)
at position "Warm"
"7-9" of Temp switch ("8-10" open)
at position "Warm"
Check continuity between "6-9"
of Temp switch("7-9","8-10" open)
at position "Mild"
of Temp switch("7-9","8-10" open)
at position "Mild"
Check continuity between
"6-9","7-9","8-10" must be opened
at position "Cool"
"6-9","7-9","8-10" must be opened
at position "Cool"
OK
Replace
Temp switch.
Temp switch.
NG
Check continuity between "1-4"
, "2-4"and "3-5" of Main Switch at position "3"
, "2-4"and "3-5" of Main Switch at position "3"
Check continuity between "1-4"
"2-4" of Main Switch ("3-5" open)
at position "2"
"2-4" of Main Switch ("3-5" open)
at position "2"
Check continuity between "1-4"
of Main Switch("2-4","3-5" open)
at position "1"
of Main Switch("2-4","3-5" open)
at position "1"
OK
NG
Replace Main
switch.
NG
OK
15
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