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Troubleshooting by Remote Controller Display / LED Display
SiBE28-804
156
Troubleshooting
5.3
System Malfunctions
System
Malfunction
Remote
Controller
Display
Location of Malfunction
Contents of Malfunction
Details of
Malfunction
(Reference
Page)
Other
than PC
Board
PC Board
Outdoor
Unit
Indoor
Unit
Remote
Controller
U4
or
UF
—
Transmission error (between
indoor and outdoor unit)
UF
—
Malfunction of transmission
(between indoor and outdoor unit)
or
Piping and wiring mismatch
or
Gas shortage
U5
—
Transmission error (between
indoor and remote controller)
U8
—
Transmission error between
“main” remote controller and
“sub” remote controller
UA
—
—
Excessive indoor units connected
to this system.
UC
—
—
Centralized address setting error
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 ...