Haier 1U71S2SS5FA - Page 25

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Error
code
Malfunction Description Diagnosis and Analysis. 5HPDUN
1 ((3520PDOIXQFWLRQ
((3520FKLSGDPDJHGRUGDWDZURQJRUUHODWHGFLUFXLW
damaged.
1RQUHVXPDEOH
2
3,0SRZHULQWHOOLJHQWPRGXOH
KDUGZDUHRYHUFXUUHQW
Input over current occured been detected by PIM’s
KDUGZDUH
Non-resumable
3
Compressor over current during
deceleration
Over current occured during compressor deceleration
period.
1RQUHVXPDEOH
4
Communication abnormal
EHWZHHQFRQWUROERDUGDQG
compressor driver module
&RQWUROERDUGFDQQRWFRPPXQLFDWLQJZLWKFRPSUHVVRU
driver module over 4 minutes
5HVXPDEOH
5
Compressor overcurrent
detected by control board
Compressor over current been detected by control
board
1RQUHVXPDEOH
6 DC voltage or AC voltage high
$&SRZHUVXSSO\RIWKHGULYHUPRGXOHJHWYROWDJHRYHU
9$&RUGULYHUPRGXOHJHWKLJK'&%86YROWDJHRYHU
390VDC.
5HVXPDEOH
7
Compressor current sampling
circuit fault
The driver module’s Compressor current sampling
circuit damaged.
1RQUHVXPDEOH
8
Discharge temperature too high
protection
Compressor discharge temperature over 115°C, error
FOHDUZLWKLQPLQXWHVLIWHPSHUDWXUHJRHVGRZQDQG
ORZHUWKDQ&(UURUVWDWXVORFNLILWRFFXUVWLPHV
in 1 hour.
1RQUHVXPDEOH
9 DC fan motor fault
DC fan motor damage or not connected or related circuit
EURNHQ(UURUVWDWXVFRQ¿UPDQGORFNLIRFFXUV
WLPHVZLWKLQPLQXWHV
1RQUHVXPDEOH
10
Outdoor defrosting temp, sensor
Te abnormal
6HQVRUWHPSHUDWXUHEHHQGHWHFWHGEHORZ&RU
higher than 90°C or been detected as short circuit or
open circuit..
5HVXPDEOH
11
Suction temp.sensor Ts
abnormal
12
Outdoor ambient temp, sensor
Ta abnormal
6HQVRUWHPSHUDWXUHEHHQGHWHFWHGEHORZ&RU
higher than 90°C or been detected short circuit or open
circuit.
5HVXPDEOH
13
Discharging temp, sensor Td
abnormal
6HQVRUWHPSHUDWXUHEHHQGHWHFWHGEHORZ&RU
higher than 150°C or been detected short circuit or open
circuit.
5HVXPDEOH
14 PFC circuit loop high voltage
2YHUYROWDJHEHHQGHWHFWHGLQGULYHUPRGXOH¶VSRZHU
factor correction circuit loop.
5HVXPDEOH
15
Communication abnormal
EHWZHHQLQGRRUXQLWDQGRXWGRRU
unit
2XWGRRUXQLWFRQWUROERDUGFDQQRWFRPPXQLFDWLQJZLWK
intdoor unit control board over 4 minutes.
5HVXPDEOH
16
Lack of refrigerant or discharging
pipe blocked
'LVFKDUJHVXFWLRQWHPSHUDWXUH7G7V&DIWHU
compressor started 10 minutes.Error status lock if it
occurs 3 times in 1 hour.
1RQUHVXPDEOH
17 ZD\YDYOHFRQYHUVHDEQRUPDO
Indoor pipe & indoor ambient temperature
7P7DL-2&DIWHUFRPSUHVVRUVWDUWHGPLQXWHV
Error status lock if it occurs 3 times in 1 hour.
1RQUHVXPDEOH
18
Compressor motor
GHV\QFKURQL]LQJ
5RWRUGHV\QFKURQL]LQJRFFXUHGFDXVHGE\RYHUORDGRU
ORDGVKDUSO\ÀXFWXDWLQJRUFRPSUHVVRUFXUUHQWVHQVRU
cicuit abnormal or one of the inverter’s gate drive signal
missing.
1RQUHVXPDEOH
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