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SiBE28-804
Troubleshooting by Remote Controller Display / LED Display
Troubleshooting
217
Troubleshooting
Diagnosis of incorrect or broken/disconnected wiring. If the LEDs on the indoor unit PC board
are off, it indicates that the transmission wiring between indoor and outdoor units may be
incorrect or broken/disconnected.
Is the
power supply voltage
between 180 and
220 VAC?
NO
YES
Field factor
Is wire
connection between the
control PC board (A1P) and the
inverter PC board (A2P) securely
connected without wire
breaking?
NO
YES
YES
YES
YES
NO
NO
Connect
correctly/Repair wire
breaking.
Is
there miswiring,
a wrong wire type, loose
terminal or contact failure in the inter-unit
wiring between the indoor
and outdoor
units?
NO
NO
Wire correctly and
securely fasten the
terminal screws.
Is any
optional accessory (*1)
connected?
Is the
power for
the optional accessory supplied
from between 1 and 2
on terminal block
X2M?
NO
Wire correctly.
Is HAP
on the outdoor PC board
blinking? (Outdoor
PC board)
YES
Is HAP
blinking? (Outdoor
PC board)
YES
Replace the outdoor
fan motor.
B
Turn OFF the power supply
and disconnect the connector
of the outdoor fan motor.
Then power ON again.
A
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 ...