5.REFRIGERANT SYSTEM DIAGRAM
9.SERVICE FLOW CHART
26
Tr oubl e code 5
communi cat i on
t r oubl e
No
Connect t he i ndoor
and out door uni t
agai n accor di ng t o
t he wi r i ng di agr am
Yes
Yes
Repl ace t he out door
cont r ol boar d and
st ar t up agai n
Our door cont r ol
boar d t r oubl e
Yes
No
I ndoor cont r ol
boar d t r oubl e and
r epl ace i t
No
Yes
Rect i f i er t r oubl e
and r epl ace i t
No
Yes
Ther e have some shor t
ci r cui t behi nd t he
st ar t up r esi st or
The I PM.cont r ol and
wave f i l t er boar d
I s br oken or shor t
ci r cui t
No
No
Yes
No
Repl ace i t
No
No
No
No
No
No
No
I ndoor cont r ol boar d
and r epl ace i t
Yes
Connect i on wi r e
t r oubl e and check
Yes
Connect i on wi r e
t r oubl e and check
Yes
Connect i on wi r e
t r oubl e and check
Yes
Wave f i l t er boar d
and r epl ace i t
Yes
Connect i on wi r e
t r oubl e
Repl ace t he t r oubl e uni t
Repl ace t he
t r oubl e uni t
Yes
Repl ace t he
t r oubl e uni t
Yes
connect i on wi r e
t r oubl e
r epl ace t he
t r oubl e uni t
Yes
Our door cont r ol boar d
t r oubl e and r epl ace i t
Yes
Repl ace I PM boar d
and f use
No
I ndoor cont r ol
boar d t r oubl e
Yes
No
Di spl ay boar d t r oubl e
and r epl ace i t
Yes
Nor mal pr ot ect i on
and r epl ace f use
No
I s t he vol t age
i nput of st ar t up
r esi s t or cor r ect ?
I s t her e t he power
out put of i ndoor
uni t mai n
r el ay( RY01)?
I s t her e power out put
bet ween 1 and 2 on
t er mi nal panel of
i ndoor uni t ?
I s t her e power i nput
bet ween 1 and 2 on
t er mi nal panel of
out door uni t ?
I s t he f use i n
cont r ol box of
20A brok en?
I s wave f i l t er
boar d open
ci r cui t ?
Does t he
r ect i f i er have
t he al t er nat i ng
cur r ent i nput ?
The st ar t up
r esi st or I s
over hot ?
I s t he r eact or
and wave f i l t er
boar d open
ci r cui t ?
Does t he power
i ndi cat or of
out door cont r ol
boar d l i ght up?
Are al l t he l ead
wi r es connec t ed
bet ween i ndoor and
out door uni t ?
I s t he system
i n good
condi t i on?
The cont r ol sys t em of out door
uni t has shor t ci r cui t
t r oubl e, check t he connect i on
wi r e, wave f i l t er boar d, out door
cont r ol boar d, I PM,r ect i f i er
and el ect r ol yse c apaci t or
I s out door
cont r ol boar d
short ci r cui t ?
I s I PM boar d
short ci r cui t ?
The cont r ol sys t em of out door
uni t has shor t ci r cui t
t r oubl e, check t he connect i on
wi r e, wave f i l t er boar d, out door
cont r ol boar d, I PM,r ect i f i er
and el ect r ol yse c apaci t or
I s t he system
i n good
condi t i on?
I s t he f use of
3. 15A bl own?
I s t he f use of
20A bl own?
