Gree GWH36LB-K3NTA5A - Unit Maintenance and Troubleshooting

30
Installation and Maintenance
Service Manual
9. Maintenance
9.1 Error Code
No.
Malfunction
Name
'LVSOD\0HWKRGRI,QGRRU8QLW
A/C Status Possible Causes
Error
Code
Indicator lamp
'XULQJEOLQNLQJ21
for 0.5S and OFF for
0.5 S)
Operation
Lamp
COOL
Lamp
1
Indoor
ambient
temperature
sensor is
RSHQVKRUW
circuited
F1
OFF
3S and
EOLQNV
once
7KHXQLWZLOOVWRSRSHUDWLRQDVLW
UHDFKHVWKHWHPSHUDWXUHSRLQW
During cooling and drying
RSHUDWLRQH[FHSWLQGRRUIDQ
RSHUDWHVRWKHUORDGVVXFKDV
FRPSUHVVRURXWGRRUIDQZD\
YDOYHVWRSRSHUDWLRQ'XULQJ
KHDWLQJRSHUDWLRQWKHFRPSOHWH
unit stops operation.
7KHZLULQJWHUPLQDOEHWZHHQLQGRRUDPELHQW
temperature sensor and controller is loosened or
SRRUO\FRQWDFWHG
7KHUHVVKRUWFLUFXLWGXHWRWULSRYHURIWKHSDUWV
RQFRQWUROOHU
3.Indoor ambient temperature sensor is damaged
3OHDVHFKHFNLWE\UHIHUULQJWRWKHUHVLVWDQFHWDEOH
for temperature sensor)
0DLQERDUGLVEURNHQ
2
Indoor
evaporator
temperature
sensor is
RSHQVKRUW
circuited
F2
OFF
3S and
EOLQNV
twice
7KHXQLWZLOOVWRSRSHUDWLRQ
DVLWUHDFKHVWKHWHPSHUDWXUH
point. During cooling and
GU\LQJRSHUDWLRQH[FHSWLQGRRU
IDQRSHUDWHVRWKHUORDGVVWRS
RSHUDWLRQ'XULQJKHDWLQJ
RSHUDWLRQWKHFRPSOHWHXQLW
stops operation.
7KHZLULQJWHUPLQDOEHWZHHQLQGRRUHYDSRUDWRU
temperature sensor and controller is loosened or
SRRUO\FRQWDFWHG
7KHUHVVKRUWFLUFXLWGXHWRWKHWULSRYHURIWKH
SDUWVRQFRQWUROOHU
3.Indoor evaporator temperature sensor is
GDPDJHG
3OHDVHFKHFNLWE\UHIHUULQJWRWKHUHVLVWDQFHWDEOH
for temperature sensor)
0DLQERDUGLVEURNHQ
3
Outdoor
ambient
temperature
sensor is
open/
VKRUW
circuited
F3
OFF 3S
and
EOLQNV
times
7KHXQLWZLOOVWRSRSHUDWLRQDVLW
UHDFKHVWKHWHPSHUDWXUHSRLQW
During cooling and drying
RSHUDWLRQFRPSUHVVRUVWRSV
DQGLQGRRUIDQRSHUDWHV'XULQJ
KHDWLQJRSHUDWLRQWKHFRPSOHWH
unit stops operation.
7KHZLULQJWHUPLQDOEHWZHHQRXWGRRUDPELHQW
temperature sensor and controller is loosened or
SRRUO\FRQWDFWHG
7KHUHVVKRUWFLUFXLWGXHWRWKHWULSRYHURIWKH
SDUWVRQFRQWUROOHU
3.Outdoor ambient temperature sensor is damaged
3OHDVHFKHFNLWE\UHIHUULQJWRWKHUHVLVWDQFHWDEOH
for temperature sensor)
0DLQERDUGLVEURNHQ
4
Outdoor
condenser
temperature
sensor is
open/
VKRUW
circuited
F4
OFF 3S
and
EOLQNV
times
7KHXQLWZLOOVWRSRSHUDWLRQDVLW
UHDFKHVWKHWHPSHUDWXUHSRLQW
During cooling and drying
RSHUDWLRQFRPSUHVVRUVWRSV
DQGLQGRRUIDQRSHUDWHV'XULQJ
KHDWLQJRSHUDWLRQWKHFRPSOHWH
unit stops operation.
7KHZLULQJWHUPLQDOEHWZHHQRXWGRRUFRQGHQVHU
temperature sensor and controller is loosened or
SRRUO\FRQWDFWHG
7KHUHVVKRUWFLUFXLWGXHWRWKHWULSRYHURIWKH
SDUWVRQFRQWUROOHU
3.Outdoor condenser temperature sensor is
GDPDJHG
3OHDVHFKHFNLWE\UHIHUULQJWRWKHUHVLVWDQFHWDEOH
for temperature sensor)
0DLQERDUGLVEURNHQ
5
Outdoor
GLVFKDUJH
temperature
sensor is
open/
VKRUW
circuited
F5
OFF 3S
and
EOLQNV
times
7KHXQLWZLOOVWRSRSHUDWLRQDVLW
UHDFKHVWKHWHPSHUDWXUHSRLQW
During cooling and drying
RSHUDWLRQFRPSUHVVRUVWRSV
DQGLQGRRUIDQRSHUDWHV'XULQJ
KHDWLQJRSHUDWLRQWKHFRPSOHWH
unit stops operation.
7KHZLULQJWHUPLQDOEHWZHHQRXWGRRUGLVFKDUJH
temperature sensor and controller is loosened or
SRRUO\FRQWDFWHG
7KHUHVVKRUWFLUFXLWGXHWRWKHWULSRYHURIWKH
SDUWVRQFRQWUROOHU
2XWGRRUGLVFKDUJHWHPSHUDWXUHVHQVRULV
damaged.
3OHDVHFKHFNLWE\UHIHUULQJWRWKHUHVLVWDQFHWDEOH
for temperature sensor)
0DLQERDUGLVEURNHQ