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Troubleshooting by Indication on the Remote Controller
SiUS28-902_a
135
Troubleshooting
Troubleshooting
Caution
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting
the connector, or parts co
u
ld
b
e damaged.
Is
indoor - o
u
tdoor
and o
u
tdoor - o
u
tdoor
u
nit
transmission
w
iring
normal?
S
u
pply 20
8~
230
V
.
Replace the f
u
se.
Fix the indoor/o
u
tdoor
u
nit
transmission
w
iring.
P
u
sh and hold the RESET
bu
tton on the o
u
tdoor
u
nit
P.C.B. for 5 seconds.
Replace the o
u
tdoor
u
nit
P.C.B. (A1P).
YES
YES
N
O
YES
Replace the indoor
u
nit P.C.B.
P
u
sh and hold the RESET
bu
tton on the master o
u
tdoor
u
nit P.C.B. for 5 seconds.
Fix the indoor/o
u
tdoor
u
nit
transmission
w
iring.
YES
N
O
N
O
YES
Has
the indoor
or o
u
tdoor
u
nit
P.C.B.
b
een replaced,
or has the indoor - o
u
tdoor
or o
u
tdoor - o
u
tdoor
u
nit
transmission
w
iring
b
een
modified?
All
indoor
u
nit
remote controllers of the
same refrigerant system
display
"
U4
."
N
O
O
u
tdoor
u
nit P.C.B.
microcomp
u
ter monitor
(HAP)
b
links.
N
O
N
O
N
O
Operation
ready lamp (H2P) is
b
linking.
Lamp does
not go off for 12 min
u
tes
or more.
Is indoor
- o
u
tdoor and o
u
tdoor -
o
u
tdoor
u
nit transmission
w
iring normal?
YES
The f
u
se on
the o
u
tdoor
u
nit
'
s P.C.B.
is
bu
rnt.
Replace the o
u
tdoor
u
nit
P.C.B. (A1P).
N
O
The
v
oltage
b
et
w
een
terminals L1 and
N
of the
o
u
tdoor
u
nit P.C.B.
is 20
8~
230
V
.
*
The
u
nit
w
ill not operate for
u
p to 12 min
u
tes.
Reset the po
w
er s
u
pply.
YES
YES
YES
N
O
Summary of Contents for SkyAir FCQ18PVJU
Page 1: ...Split System Air Conditioners SkyAir Inverter R 410A Heat Pump 60Hz P Series SiUS28 902_a...
Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
Page 185: ...SiUS28 902 Precautions for New Refrigerant R 410A Precautions for New Refrigerant R 410A 178...