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SiBE28-804
Troubleshooting by Remote Controller Display / LED Display
Troubleshooting
221
5.42 “
U8
” Malfunction of Transmission between MAIN Remote
Controller and SUB Remote Controller
Remote
Controller
Display
U8
Applicable
Models
All models of indoor units
Error generation
The error is generated when, in case of controlling with two remote controllers, the
microprocessor detects that the transmission between the indoor unit and the remote controllers
(MAIN and SUB) is not normal over a certain amount of time.
Supposed
Causes
The possible causes are:
Transmission error between MAIN remote controller and SUB remote controller
Connection among SUB remote controllers
Malfunctioning remote controller PC board.
Troubleshooting
Controlling
with 2-remote
controller
Both SS-1
switches on remote
controllers are turned
to SUB
Is there
continuity in remote
controller wiring?
SS-1
switch on remote
controller PC board is
turned to MAIN
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Turn the SS-1 switch of one
remote controller to MAIN.
Turn OFF the power supply,
and restart operation.
Turn OFF the power once and
restart operation.
Replace remote controller PC
board if any error is
generated.
Replace the remote controller
wiring.
Turn the SS-1switch of one
remote controller to MAIN.
Turn OFF the power supply,
and restart operation.
NO
NO
YES
NO
YES
YES
YES
NO
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 ...