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ESIE05-04
Error Codes: System Malfunctions
Part 3 – Troubleshooting
3–51
3
3
4
5
1
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Connect the remote controller
correctly.
Check setting "No. of Connected
Twin System Indoor Units" of
indoor unit.
Replace the transformer.
Wiring could be incorrect,
recheck.
Connect correctly.
Indoor unit PCB replacement.
Operates normally.
Connect correctly.
Connect correctly.
Set correctly.
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Is
there
220-240
VAC
between
No.1
and
No.3
of
X2M
(indoor
Unit)?
Is
the
power
supply
PCB
correctly
connected?
Is
the
indoor-indoor
and
indoor-outdoor
jumper
correctly
connected?
Is
the
indoor-indoor
and
indoor-outdoor
jumper
correctly
connected?
Is
the
outdoor
unit
used
for
Twin
system?
Is
the
remote
control
connected
to
more
than
one
indoor
unit?
Are
the
microcomputer
normal
monitors
(HAP)
of
all
indoor
unit
PCB
flashing?
Are
the
transmission
normal
montiors
(HBP)
of
all
indoor
unit
PCB
flashing?
Operating
normally?
Turn
the
power
off
once,
then
back
on,
and
restart
operation.
Is
the
setting
of
Pair/Twin/Triple
set
correctly?
Summary of Contents for FHQ100BUV3B
Page 1: ...Service Manual ESIE05 04 R 410A Sky Air Indoor...
Page 2: ......
Page 20: ...ESIE05 04 1 2 Part 1 System Outline 3 1 1 5...
Page 62: ...General Outline ESIE05 04 1 44 Part 1 System Outline 3 1 1 4 5...
Page 78: ...ESIE05 04 1 60 Part 1 System Outline...
Page 112: ...Wiring Diagrams ESIE05 04 1 94 Part 1 System Outline 3 1 1 4 5...
Page 140: ...ESIE05 04 2 2 Part 2 Functional Description 3 1 2 5...
Page 164: ...ESIE05 04 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 206: ...Error Codes ESIE05 04 3 44 Part 3 Troubleshooting 3 1 3 4 5...
Page 224: ...Additional Checks for Troubleshooting ESIE05 04 3 62 Part 3 Troubleshooting 3 1 3 4 5...
Page 226: ...ESIE05 04 4 2 Part 4 Commissioning and Test Run 3 1 4 5...
Page 252: ...ESIE05 04 5 2 Part 5 Disassembly and Maintenance 3 1 5...
Page 384: ...Disassembly and Maintenance ESIE05 04 5 134 Part 5 Disassembly and Maintenance 3 1 5 5...
Page 390: ...ESIE05 04 vi Index 3 1 4 5 W Wiring diagrams Indoor units k 1 61...