Indoor Fan Error - Samsung AC035FCADEH/EU Service Manual

4-3-3 Indoor FAN error

Indoor unit display
Symptom
Failure
[ 4-way cassette type ]
Yes
Is the RPM of motor less
than 120?
Check the motor and
replace it.
[1 way cassette type]
Yes
Check the motor and
replace it.
Samsung Electronics
4way
1way
Indoor unit fan does not run /Runs at excessive high speed and stops
Check if the motor connector is disconnected/ check the motor fan assembly status
During operation or Operation at the beginning :
Is the motor connector(CN73)
disconnected from the PCB?
Does the motor rotates when operating?
Yes
Is voltage of DC 0V~DC 6V displayed?
Is the motor connector(CN73 or CN44)
disconnected from the PCB?
[After the start of operation of FAN]
Motor
Check the PCB and replace it.
X (Operation) X (Defrost)
X (Operation) X (Defrost)
E154 is displayed.
No
No
Motor :
No
Check the PCB and
replace it
No
: Is voltage of
AC 220V displayed?
No
(Timer) X (Filter)
X (Reservation) (Fan) X (Filter)
Yes
Connect the
connector to PCB
Check the normal
operation.
Ex) Depending on FAN RPM, voltage of
DC 0V~DC 6V is output.
↓
1 2 3 4
Yes
Connect the
connector to PCB.
Check the normal
operation.
↓
5 6
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