5.REFRIGERANT SYSTEM DIAGRAM
Tr oubl e code 30
condenser over l oad
No
Yes
Out door cont r ol boar d
and r epl ace i t
Yes
No
Nor mal
pr et ect i on
Out door coi l
sensor t r oubl e
Tr oubl e code 33
EEPROM t r oubl e
Out door cont r ol
boar d t r oubl e
Tr oubl e code 32
I PM t r oubl e
No
Yes
I PM t r oubl e and
r epl ace i t
I s t he
I PM r adi at or ver y
hot ?
No
Yes
Nor mal pr ot ect i on
Assur e good
vent i l at i on
of out door
uni t and
good cont act
bet ween I PM
and r adi at or
Yes
No
Yes
Nor mal pr ot ect i on
No
Yes
No
I s t he
I PM r adi at or ver y
hot ?
Yes
Yes
Yes
Yes
No
No
Out door cont r ol
boar d t r oubl e
Wave f i l er t r oubl e
and r epl ace i t
Repl ace t he
out door cont r ol
boar d, Does t hI s
t r oubl e di sappear ?
Repl ace t he wave
f i l t er boar d, Does
t hI s t r oubl e
di sappear ?
I PM t r oubl e appear
f r equent l y?
St ar t up t he ai r
condi t i oner i n 30
mi nut es, doen i t
wor k Normal l y?
I PM t r oubl e appear
f r equent l y?
I s t he r esi st ance
of out door coi l
sensor cor r ect ?
Does t he t r oubl e
di appear i n 3
mi nut es ?
I s t he out door
heat exchanger
r eal l y hot ?
Tr oubl e code 11
l i ght ness s ensor t r oubl e
No
I ndoor cont r ol boar d
t r oubl e and r epl ace i t
Di spl ay boar d t r oubl e
and r epl ace i t
No
Yes
Reconnect or
r epl ace t he wi r es
Yes
Are al l t he wi r es
connect ed bet ween t he
i ndoor cont r ol boar d
and di spl ay boar d?
I s t her e ok
af t er r epl aci ng
t he di spl ay
boar d?
Tr oubl e code 13
EEPROM t r oubl e
I ndoor cont r ol boar d
t r oubl e and r epl ace i t
Tr oubl e code 21
out door t emper at ur e
sensor t r oubl e
No
Out door t emper at ur e sensor
t r oubl e and r epl ace i t
Yes
Out door cont r ol
boar d t r oubl e and
r epl ace i t
Tr oubl e code 22
out door coi l sensor
t r oubl e
No
Out door t emper at ur e sensor
t r oubl e and r epl ace i t
Yes
I s t he r esi st ance
of sensor cor r ect ?
I s t he r esi st ance
of sensor cor r ect ?
Out door cont r ol
boar d t r oubl e and
r epl ace i t
9.SERVICE FLOW CHART
28
Содержание KFR-3502BPE
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