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SiUS28-902_a
Troubleshooting by Indication on the Centralized Remote Controller
Troubleshooting
144
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 the
po
w
er s
u
pply t
u
rned
on for indoor
u
nits displaying
malf
u
nction?
Is
transmission
w
iring
disconnected or
w
ired
incorrectly?
Is the
transmission
w
iring
w
ith the master controller
disconnected or
w
ired
incorrectly?
Is the
master controller
'
s
connector for setting
master controller
disconnected?
Set the gro
u
p
N
o. correctly.
Replace indoor
u
nit P.C.B.
Fix the
w
iring correctly.
Fix the
w
iring correctly.
Connect correctly.
Replace the central P.C.B.
Reset po
w
er s
u
pply
sim
u
ltaneo
u
sly for all optional
controllers for centralized
control.
YES
YES
N
O
YES
YES
YES
YES
T
u
rn indoor
u
nit
'
s po
w
er
s
u
pply.
YES
N
O
N
O
N
O
N
O
N
O
N
O
Has
an indoor
u
nit once
connected
b
een remo
v
ed
or its address
changed?
Is the gro
u
p
N
o. of malf
u
nctioning
indoor
u
nits set?
Is transmission
w
ith all indoor
u
nits
malf
u
nctioning?
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...