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Module CTS Check List & Trouble Shooting
Outdoor Unit/Short Cycling (4/4)
Module CTS Check List & Trouble Shooting (4/4) - Outdoor Unit - Electrical/Short Cycling
Y
St
ar
t
Is
Cont
actor
pu
lled in
?
Freeze S
tat open
ed?
24v
a
cr
oss
X
1 & X
2
a
t the
Fa
n Coil?
Y
230v
in
to
Cont
actor
?
Su
pply
230v po
w
er
to
Condenser
N
Y
230v
ou
t of
Cont
actor
?
Chec
k
Compr
essor
Y
N
R
epla
ce
Cont
actor
N
Chec
k f
or
24v
a
cr
oss
Cont
actor Coil
24v
acr
oss
X1 & C
at the
Fa
n Coil?
Y
N
Allo
w
Sy
stem
to se
ttle a
nd
Freeze St
at
to open
Trouble Shooting: Outdoor Unit - Electrical
Y
N
Chec
k f
or
open
Saf
ety Controls
on
Ou
td
oor
Un
it
En
sur
e Syst
em is
properly c
harged
an
d
airflo
w is correct
Go t
o sta
rt of
Trouble
Shooting 2
4v
N
Y
En
sur
e Syst
em is
properly c
harged
an
d
airflo
w is correct
N
Y
N
Chec
k f
or
imp
roper
wir
in
g or da
ma
ge
be
tw
een
Indoor and
Out
door U
nits
R
epla
ce
Wiring
Y
R
ep
la
ce
Freeze St
at
Y
St
ar
t
Fan
run
nin
g?
Y
R
ef
er t
o
24v
Troubleshooting
Guide
Ver
ify tha
t 2
4v
po
w
er is pr
esen
t
be
tw
een
C
a
nd
Y2
termin
als
R
ef
er t
o
EPC
Troubleshooting
Guide
to en
sur
e fan
is
w
or
kin
g pr
oper
ly
Chec
k tha
t
TX
V
alv
e
se
ttin
g a
nd c
ha
rge
is pr
oper
TX
a
nd
charge
good?
R
ef
er t
o
Cooling
St
ar
t-U
p
Con
fir
m the
line sizes
are cor
rect
Con
fir
m tha
t the
unit
is pr
oper
ly sized
Con
fir
m tha
t a
ll
piping
is don
e
pr
op
erly
Chec
k tha
t the
TX
V
alv
e Bulb
is insta
lled corr
ectly
Is
Freeze St
at
w
or
kin
g
pr
op
erly?
R
epla
ce
Freeze St
at
Con
fir
m tha
t o
ther
Saf
ety Controls
a
re
w
or
kin
g pr
oper
ly
R
ef
er t
o
24v
Troubleshooting
Guide
N
N
Y
Y
Y
N
N
Trouble Shooting: Short Cycling