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Error Codes
ESIE05-04
3–34
Part 3 – Troubleshooting
3
1
3
4
5
Troubleshooting
Remark
If "A3" is detected by a PC board which is not mounted with X15A, the PC board is defective.
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Begin
Is
the
unit
a
cassette
or
built-in
type?
Is
a
drain
pump
connected
to
the
indoor
unit
PCB?
Does
the
drain
pump
work
after
restarting
operation?
Is
the
drain
water
level
abnormally
high?
Is
the
float
switch
connected
to
X15A?
Does
"A3"
appear
on
the
remote
controller
display?
220-240
VAC?
Is
there
continuity?
Is
the
optional
drain
raising
mechanism
connected?
Is
the
short-
circuit
connector
connected
to
X15A
on
the
indoor
unit
PCB?
Connect
the
Short-circuit
connector.
Replace
the
Short-circuit
connector
Set
to
"emergency"
and
check
the
voltage
of
X25A.
Replace
the
drain
pump.
Remove
the
float
switch
from
X15A,
short-circuit
X15A,
and
restart
operation.
Replace
indoor
unit
PCB.
There
is
a
malfunction
of
the
drain
system.
Replace
float
switch.
Replace
the
indoor
unit
PCB.
Connect
float
switch
Connect
the
drain
pump.
Replace
indoor
unit
PCB.
Check
the
continuity
of
the
short-circuit
connector.
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
No
No
No
No
Yes
Содержание FHQ100BUV3B
Страница 1: ...Service Manual ESIE05 04 R 410A Sky Air Indoor...
Страница 2: ......
Страница 20: ...ESIE05 04 1 2 Part 1 System Outline 3 1 1 5...
Страница 62: ...General Outline ESIE05 04 1 44 Part 1 System Outline 3 1 1 4 5...
Страница 78: ...ESIE05 04 1 60 Part 1 System Outline...
Страница 112: ...Wiring Diagrams ESIE05 04 1 94 Part 1 System Outline 3 1 1 4 5...
Страница 140: ...ESIE05 04 2 2 Part 2 Functional Description 3 1 2 5...
Страница 164: ...ESIE05 04 3 2 Part 3 Troubleshooting 3 1 3 5...
Страница 206: ...Error Codes ESIE05 04 3 44 Part 3 Troubleshooting 3 1 3 4 5...
Страница 224: ...Additional Checks for Troubleshooting ESIE05 04 3 62 Part 3 Troubleshooting 3 1 3 4 5...
Страница 226: ...ESIE05 04 4 2 Part 4 Commissioning and Test Run 3 1 4 5...
Страница 252: ...ESIE05 04 5 2 Part 5 Disassembly and Maintenance 3 1 5...
Страница 384: ...Disassembly and Maintenance ESIE05 04 5 134 Part 5 Disassembly and Maintenance 3 1 5 5...
Страница 390: ...ESIE05 04 vi Index 3 1 4 5 W Wiring diagrams Indoor units k 1 61...