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SiUS28-902_a
Troubleshooting by Indication on the Remote Controller
Troubleshooting
94
3.7
“
AF
”
Indoor Unit: Drain Level above Limit
Remote
Controller
Display
AF
Applicable
Models
FCQ
Method of
Malfunction
Detection
Water leakage is detected based on float switch ON/OFF operation while the compressor is in
non-operation.
Malfunction
Decision
Conditions
When the float switch changes from ON to OFF while the compressor is in non-operation.
Supposed
Causes
Humidifier unit (optional accessory) leaking
Defect of drain pipe (upward slope, etc.)
Defect of indoor unit P.C.B.
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.
Defect of indoor
u
nit P.C.B.
Modify the drain piping.
YES
N
O
N
O
Field drain
piping has a defect s
u
ch as
u
p
w
ard sloping.
Check if the h
u
midifier
u
nit is
leaking.
YES
A h
u
midifier
u
nit (optional accessory)
is installed on the
indoor
u
nit.
Summary of Contents for SkyAir FCQ18PVJU
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Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
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