Sharp AE-X15PU Service Manual page 18

AE-X15PU
F u n t c o i n
11 Thermistor installa- Compressor stops if high and low
tion error or 4-way values of temperatures detected
valve error by outdoor unit heat exchanger
thermistor (TH2) and 2-way valve
thermistor (TH5) do not match
operating cycle.
12 Compressor high Compressor stops if compressor
temperature error chamber thermistor (TH1)
exceeds about 114℃ , or if there
is short-circuit in TH1.
13 Outdoor unit heat Compressor stops if there is
exchanger ther- short-circuit in outdoor unit heat
mistor short-circuit exchanger thermistor (TH2).
error
14 Outdoor unit outside Compressor stops if there is
air temperature short-circuit in outdoor unit out-
thermistor short-cir- side air temperature thermistor
cuit error (TH3).
15 Outdoor unit suction Compressor stops if there is
thermistor short-cir- short-circuit in outdoor unit suc-
cuit error tion thermistor (TH4).
16 Outdoor unit 2-way Compressor stops if there is
valve thermistor short-circuit in outdoor unit 2-way
short-circuit error valve thermistor (TH5).
17 Outdoor unit heat Compressor stops if there is
exchanger ther- open-circuit in outdoor unit heat
mistor open-circuit exchanger thermistor (TH2).
error
18 Outdoor unit outside Compressor stops if there is
air temperature open-circuit in outdoor unit out-
thermistor open-cir- side air temperature thermistor
cuit error (TH3).
19 Outdoor unit suction Compressor stops if there is
thermistor open-cir- open-circuit in outdoor unit suc-
cuit error tion thermistor (TH4).
20 Outdoor unit 2-way Compressor stops if there is
valve thermistor open-circuit in outdoor unit 2-way
open-circuit error valve thermistor (TH5).
21 Outdoor unit dis- Compressor stops if there is
charge thermistor open-circuit in outdoor unit dis-
open-circuit error charge thermistor (TH1).
22 Serial signal error Power relay turns OFF if indoor
unit cannot receive serial signal
from outdoor unit for 8 minutes.
Compressor stops if outdoor unit
cannot receive serial signal from
indoor unit for 30 seconds.
23 Compressor star- Compressor stops if compressor
tup error fails to start up.
24 Compressor rota- Compressor stops if there is no
tion error (at 120° input of position detection signal
energizing) from compressor or input is
abnormal.
25 Outdoor unit DC fan Operation stops if there is no
error input of rotation pulse signal from
outdoor unit fan motor for 30 sec-
onds.
26 PAM over voltage Compressor stops if DC voltage is
error 350 V or higher.
O
Description Detection period
3 minutes after com-
pressor startup
When in operation
At compressor star-
tup
At compressor star-
tup
At compressor star-
tup
At compressor star-
tup
At compressor star-
tup
At compressor star-
tup
At compressor star-
tup
At compressor star-
tup
At compressor star-
tup
When in operation
When in operation
At compressor star-
tup
Compressor operat-
ing at 120° energizing
When outdoor unit
fan is in operation
When in operation
p r e t a o i n
Reset condition
Operation OFF or ON Yes I1
Operation OFF or ON YesI1
Operation OFF or ON Yes I1
Operation OFF or ON YesI1
Operation OFF or ON Yes I1
Operation OFF or ON Yes I1
Operation OFF or ON Yes I1
Operation OFF or ON Yes I1
Operation OFF or ON Yes I1
Operation OFF or ON Yes I1
Operation OFF or ON YesI1
Operation OFF or ON
(Automatic reset
when less than 8 min-
utes)
Reset after reception
of serial signal
Operation OFF or ON Yes I3
Operation OFF or ON Yes I3
Operation OFF or ON Yes I1
Operation OFF or ON Yes I1
3 – 2
S e f l d - a i g n o s s i
result display
Indoor Indoor Outdoor
unit unit unit
error
display
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes None
None None None
Yes Yes
Yes Yes
Yes Yes
Yes Yes