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Troubleshooting by Indication on the Remote Controller
SiUS28-902_a
133
Troubleshooting
3.37 “
U3
” Check Operation not Executed
Remote
Controller
Display
U3
Applicable
Models
RZQ18~30PVJU
Method of
Malfunction
Detection
Check operation is executed or not
Malfunction
Decision
Conditions
Malfunction is decided when the unit starts operation without check operation.
Supposed
Causes
Check operation is not executed.
Troubleshooting
Has the
check operation
performed on O
u
tdoor
u
nit P.C.B.?
P
u
sh the BS4 on P.C.B. on the
master o
u
tdoor
u
nit for 5 seconds
or more to exec
u
te check
operation.
Replace the main P.C.B. on the
o
u
tdoor
u
nit.
N
O
YES
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.
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...