5.REFRIGERANT SYSTEM DIAGRAM
9.SERVICE FLOW CHART
27
Tr oubl e code 23
compr ssor over hot
pr ot ect i on
No
Out door cont r ol boar d
t r oubl e and r epl ace i t
Repl ace t he OLP
No
Yes
Nor mal
pr ot ect i on
Yes
Yes
Repl ace
di schar gi ng
sensor
No
Tr oubl e code 26
over cur r ent t r oubl e
No
Out door wave f i l t er
boar d t r oubl e and
r epl ace i t
Out door cont r ol
boar d t r oubl e
No
Yes
Nor mal
pr ot ect i on
Yes
Yes
No
Yes
Occur by chanc e
Tr oubl e code 27
None l oad t r oubl e
No
Wave f i l t er boar d
t r oubl e and r epl ace i t
I PM t r oubl e and
r epl ace i t
No
Yes
Yes
No
Yes
Compr essor
t r oubl e
Out door wave f i l t er boar d
t r oubl e and r epl ace i t
Out door cont r ol boar d
No
Yes
Tr oubl e code 28
vol t age of power
suppl y I s abNormal
Yes
Out door cont r ol
boar d t r oubl e and
r epl ace i t
No
Nor mal pr ot ect i on
Tr oubl e code 29
power suppl y f ai l
moment ar y
No
Swi t ch of f t he power
suppl y and st ar t up
i n 3 mi nut es
Yes
The vol t age of power
suppl y I s out of
Nor mal r ange
Out door cont r ol
boar d t r oubl e
No
Yes
Reconnect wi r es or
r epai r t he sock et
Yes
Yes
No
No
I s t he OLP of
compr ssor open
ci r cui t ?
I s t he r esi st ance
of compr essor
di schar gi ng
sensor cor r ect ?
Swi ch of f and
st ar t up agai n, I s
i t ok?
I s t he oper at i ng
cur r ent beyond
Nor mal r ange?
I s t he sur f ace of
compr essor ver y hot ?
Swi ch of f and
st ar t up
agai n, I s i t ok?
Are t her e mi s- wr i ng, poor
cont act , or di sconnec t i on
among t he sock et , i ndoor
uni t and out door uni t ?
Repl ace t he
out door cont r ol
boar d, I s i t ok?
Repl ace t he
out door cont r ol
boar d, I s i t ok?
swi ch of f and st ar t
up agai n, I s i t ok?
Repl ace t he
out door cont r ol
boar d, I s i t ok?
Does t hI s t r oubl e
st i l l appear ?
I s t he vol t age of
power suppl y Normal ?
I s t he vol t age of
bet ween I PM and
P¡ ¢
N cor r ect ?
Do t her e have
vol t age out put
bet ween I PM and UVW
?
I s t he compr essor
r unni ng?
