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SiBE28-804
Troubleshooting by Remote Controller Display / LED Display
Troubleshooting
161
Troubleshooting
Note:
If "
A3
" is detected by a PC board which is not mounted with X15A, the PC board is defective.
Begin
Is the
unit a
cassette or
built-in
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
Is
the short
circuit connector
connected to X15A on
the indoor unit
PCB?
Connect the
Short-circuit
connector.
Connect 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 PC board.
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
PC board.
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
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for FHQ100BUV1B x 2
Page 13: ...SiBE28 804 2 ...
Page 19: ...Model Name and Power Supply SiBE28 804 8 General Information ...
Page 29: ...Specifications SiBE28 804 18 Specifications ...
Page 33: ...Wired Remote Controller SiBE28 804 22 Remote Controller 1 2 Installation ...
Page 34: ...SiBE28 804 Wired Remote Controller Remote Controller 23 ...
Page 93: ...Outdoor Unit Fan Speed Control SiBE28 804 82 Functional Description ...
Page 131: ...Test Run and Operation Data SiBE28 804 120 Test Operation ...
Page 251: ...Troubleshooting by Remote Controller Display LED Display SiBE28 804 240 Troubleshooting ...
Page 277: ...PCB Layout SiBE28 804 266 Appendix ...
Page 297: ...RZQ100 140C7 RZQS125 140C7V1B SiBE28 804 286 Removal Procedure ...
Page 311: ...SiBE28 804 iv Index ...