Haier HSU-18HV03/R2 - Page 67

E14 :Indoor fan motor malfunction
Yes
Yes
YES
NO
whether terminal CN
7
and CON12 on indoor
PCB
well
inserted or not
?
Pull out and reinsert the terminals
Electrify the machine again and turn it on in the cooling operation
,
Measure voltage between the positions 1 ( red wire) and 5(
black
wire) of Terminal CON12 on the indoor PCB
NO
the indoor pcb is damaged and need replace
. the voltage is about
9
0
-
2
0
0vac
check whether motor
can run when
turn on the unit
the indoor motor is damaged and need
replace
NO
When motor is running
Measure
whether there is voltage
pulse(0-5VDC)
between the
positions 2 (middle wire)
and
3( black wire)
of Terminal
CN
7
on the indoor
PCB
the indoor motor is damaged and need
replace
the indoor pcb is damaged and need replace
NO
Air Conditioner
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Edition:2006/1/10