Gree GWH36LB-K3NTA5A - Page 34

31
Installation and Maintenance
Service Manual
6
+LJK
pressure
protection
E1
OFF 3S
and
EOLQNVRQFH
During cooling and drying
RSHUDWLRQH[FHSWLQGRRU
IDQRSHUDWHVDOOORDGVVWRS
RSHUDWLRQ'XULQJKHDWLQJ
RSHUDWLRQLILWLVLQYHUWHUXQLW
WKHFRPSOHWHXQLWVWRSVLILW
LVÀRRUVWDQGLQJXQLWWKH
complete unit stops and
operation of remote controller
or controller is unavailable.
7KHPDLQERDUGDQGWKHGLVSOD\SDQHODUHQRW
connected well.
7KH29&WHUPLQDORQPDLQERDUGLVQRW
FRQQHFWHGZHOOZLWKWKHKLJKSUHVVXUHVZLWFKRQ
WKHFRPSOHWHXQLW
7KHZLULQJRIKLJKSUHVVXUHVZLWFKLVORRVHQHG
5HIULJHUDQWLVVXSHUDEXQGDQW
3RRUKHDWH[FKDQJHLQFOXGLQJEORFNHGKHDW
H[FKDQJHUDQGEDGUDGLDWLQJHQYLURQPHQW
$PELHQWWHPSHUDWXUHLVWRRKLJKLILWLVSKDVH
XQLWWKHKLJKSUHVVXUHSURWHFWLRQPD\EHFDXVHG
E\RYHUFXUUHQWSURWHFWLRQGXHWRWKLVUHDVRQ
7KHVXSSO\YROWDJHLVDEQRUPDOLILWLVSKDVH
XQLWWKHKLJKSUHVVXUHSURWHFWLRQPD\EHFDXVHG
E\RYHUFXUUHQWSURWHFWLRQGXHWRWKLVUHDVRQ
7KHDLULQWDNHDQGDLUGLVFKDUJHDWLQGRRU
RXWGRRUKHDWH[FKDQJHUDUHQRWVPRRWK7KHDLU
F\FOHLVVKRUWFLUFXLWHG
)LOWHUDQGKHDWH[FKDQJH¿QVRILQGRRURXWGRRU
XQLWVDUHEORFNHG
7KHV\VWHPSLSHOLQHLVEORFNHG
7KHJDVYDOYHDQGOLTXLGYDOYHIRURXWGRRUXQLW
are not completely opened.
7KH29&LQSXWLVDWKLJKOHYHO
7
Low pressure
protection of
compressor
E3
OFF 3S
and
EOLQNV
times
7KHFRPSOHWHXQLWVWRSV
7KHPDLQERDUGDQGGLVSOD\SDQHODUHQRW
connected well.
7KH/33WHUPLQDORQWKHPDLQERDUGLVQRW
FRQQHFWHGZHOOZLWKWKHKLJKSUHVVXUHVZLWFKRQ
WKHFRPSOHWHXQLW
7KHZLULQJRIWKHKLJKSUHVVXUHVZLWFKLV
ORRVHQHG+LJKSUHVVXUHVZLWFKLVGDPDJHGRU
poorly contacted.
,QVXI¿FLHQWRUOHDNLQJRXWUHIULJHUDQW
7KH/33LQSXWLVDWKLJKOHYHO
8
Overcurrent
protection
E5
OFF 3S
DQGEOLQNV
5 times
During cooling and drying
RSHUDWLRQFRPSUHVVRUDQG
RXWGRRUIDQVWRSZKLOHLQGRRU
IDQRSHUDWHV'XULQJKHDWLQJ
RSHUDWLRQDOOORDGVVWRS
8QVWDEOHVXSSO\YROWDJH1RUPDOÀXFWXDWLRQ
VKDOOEHZLWKLQRIWKHUDWHGYROWDJHRQWKH
nameplate.
6XSSO\YROWDJHLVWRRORZDQGORDGLVWRRKLJK
0HDVXUHWKHFXUUHQWRIOLYHZLUHRQPDLQERDUG
,IWKHFXUUHQWLVQWKLJKHUWKDQWKHRYHUFXUUHQW
SURWHFWLRQYDOXHSOHDVHFKHFNWKHFRQWUROOHU
7KHLQGRRUDQGRXWGRRUKHDWH[FKDQJHUVDUH
WRRGLUW\RUWKHDLULQOHWDQGDLURXWOHWDUHEORFNHG
7KHIDQPRWRULVQRWUXQQLQJ$EQRUPDOIDQ
VSHHGIDQVSHHGLVWRRORZRUWKHIDQGRHVQWUXQ
7KHFRPSUHVVRULVQRWUXQQLQJQRUPDOO\7KHUH
LVDEQRUPDOVRXQGRLOOHDNDJHRUWKHWHPSHUDWXUH
RIWKHVKHOOLVWRRKLJKHWF
7KHUHVEORFNDJHLQWKHV\VWHP¿OWKEORFNDJH
LFHSOXJJUHDV\EORFNDJH<YDOYHKDVQWEHHQ
opened completely)
9
Communi-
cation
malfunction
E6
OFF 3S
and
EOLQNV
times
'XULQJFRROLQJRSHUDWLRQ
FRPSUHVVRUVWRSVZKLOHLQGRRU
fan motor operates. During
KHDWLQJRSHUDWLRQWKHFRPSOHWH
unit stops.
7KHFRPPXQLFDWLRQOLQHLVQRWFRQQHFWHGWLJKWO\
or poorly contacted.
Poor contact of any line may cause communication
malfunction.
7KHPDWFKEHWZHHQPDLQERDUGDQGGLVSOD\
panel is incorrect. Indoor and outdoor unit boards
DUHPDWFKHGLQFRUUHFWO\
3. Incorrect wire connection.
4. Controller is damaged.