Sharp AY-AP9FHR Service Manual

AYAP7FHR
4 – 1
AYAP7FHR
Service Manual
CHAPTER 4. TROUBLESHOOTING
[1] TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT
measure the secondary voltage
of transformer.
YES
NO
YES
NO
The machine does not function
at all with remote controller and
switches on the indoor unit.
Using a tester, measure the
voltage between anodes of D1
and D2 on PWB ass'y.
Is the measured value
approx. 17.0 Vac ?
Replace the PWB with a new
one.
Is the FUSE1 fuse down ?
Replace the fuse and varistor
with new ones.
Replace the transformer with
a new one.
YES
NO
NO
YES
The machine does not function
with remote controller
Push button "OI" on the wireless
remote controller.
Is transmitting
indicator of the remote
controller active ?
Is indicator lamp of
indoor unit proper ?
Replace the
PWB with a
new one.
Does beep sound
from the indoor unit ?
Using a tester,
measure the voltage
between terminals
of resistor R8
on the PWB ass'y.
Push the button "OI".
Are batteries of the
wireless remote controller
proper ?
Replace the batteries
with new ones.
Replace the wireless
remote controller.
When the signal is
received, does the voltage
change ?
Replace the PWB with a new
one.
PWB is normal.
Inspect the outdoor unit.
NO
YES
NO
YES
Replace the photo
detector unit with a new
one.
NO
YES

Sharp AY-AP9FHR Specifications

General

AC input voltage	220-240 V
AC input frequency	50 Hz
Design load (cooling)	- kW
Energy efficiency class (cooling)	A
Annual energy consumption (cooling)	410 kWh
Hourly energy consumption (cooling)	3.8 kWh
Energy efficiency class (heating) (Warmer heating season)	-
Annual energy consumption (heating) (Warmer heating season)	- kWh
Type	Split system
Multi-split	Yes
Product color	White
Hose length (max)	10 m
Refrigerating medium	R410A
Air conditioner functions	Cooling, Heating
Cooling capacity in watts (nominal)	820 W
Cooling energy efficiency (EER, W/W)	3.21
Heating energy efficiency (COP, W/W)	3.61
Heating capacity in watts (nominal) (Warmer heating season)	- W
Heating capacity in watts (nominal) (Average heating season)	855 W
Indoor unit depth	184 mm
Indoor unit width	810 mm
Indoor unit height	270 mm
Indoor unit weight	9000 g
Indoor units quantity	1
Indoor unit noise level (high speed)	55 dB
Outdoor unit depth	250 mm
Outdoor unit width	730 mm
Outdoor unit height	540 mm
Outdoor unit weight	32000 g
Outdoor unit noise level	61 dB