TTA-R407C-EN1113
25
Trouble Shooting
Table 9: Troubleshooting Chart
Refrigerant Circuit
SSPSPhgiH ooT erusserP daeH
PSSSPS
PP PSPPS
PP
PP
PP
P
PPP
P
SSS
S
PP S
PS
SSS
SS PSSS
S
SSP
PP
S
woL ooT erusserP daeH
PSSSPPShgih oot erusse
rp noitcuS
SPSPwol oot erusserp noitcuS
Liquid overfeeding PP
(expansion valve)
P
P
SSSPgnideefrevo diuqiL
(cap tube)
SSPgnitsorf lioc edisnI
SSSSSSSPSetauqedani-snur .sserpmoC
or no cooling/heating
Electrical
Compressor and outside
fan won’t start
Compressor will not start
but outside fan runs
Outside fan won’t start
Compressor hums
but won’t start
Compressor cycles
on internal overload
Inside fan won’t start
P : primary cause
S : secondary cause
y
l
pp
u
S rewoP
g
n
ir
i
W egatloV hgiH
daolre
v
O
lanretnI rosserp
moC
rot
i
capaC nuR
rot
ic
ap
aC tratS
y
a
ler tratS
stc
atnoc ro
tc
a
t
n
oC
g
niriW egatloV
w
oL
r
em
ro
f
s
narT lortnoC
Thermostat
lioC rotca
t
noC
esuF e
g
atlo
V
w
oL
rosserpmoC kcutS
ro
ss
e
rp
mo
C
t
neiciffenI
egrahcrednU tnaregirfeR
egrahcrevO tnaregirf
e
R
daoL
ro
t
arop
a
vE evissecxE
e
lbasnednoC
no
N
wolfri
A
edistuO detcirtseR
riceR riA edist
u
Ose
ta
l
u
c
n
epO kcutS evlaV
no
isn
apxE
taehrepuS
wolfriA edisn
I detcir
tseR
snoitcirtseR noitalucric tnaregirfeR
kaeL evla
V
re
vO egnahC
t
ce
fe
D lioC evlaV revO
e
gn
a
h
C
gn
ikael evlaV kcehC
tce
fe
D
ya
l
eR tsorfeD
tc
efeD hctiwS em
i
T
t
s
o
r
feD
tcefeD lortnoC
t
so
rf
eD
TTA-R407C-EN1113.indd 25TTA-R407C-EN1113.indd 25 12-Sep-16 13:28:2312-Sep-16 13:28:23
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