Haier HSU-07HV03/R2 Service Manual page 67

E14 :Indoor fan motor malfunction
whether terminal CN7
and CON12 on indoor PCB
well inserted or not?
Electrify the machine again and turn it on in the cooling operation,
Measure voltage between the
wire) of Terminal CON12 on the indoor PCB
. the voltage is about
90-200vac
check whether motor
can run when
turn on the unit
When motor is running Measure
whether there
pulse(0-5VDC)
positions 2 (middle
3(
black wire) of Terminal
CN7on the indoor PCB
the indoor pcb is damaged and need replace
Air Conditioner
NO
positions 1 ( and 5(
red wire)
Yes
Yes
is voltage
between the
and
wire)
YES
Pull out and reinsert the terminals
black
NO
the indoor pcb is damaged and need replace
NO
the indoor motor is damaged and need
replace
NO
the indoor motor is damaged and need
replace
Edition:2006/1/10