Daikin FHYB45FV1 [132/244] Si 71a troubleshooting by remote controller display led display

Daikin FHYC125KVE [132/244] Si 71a troubleshooting by remote controller display led display
Si-71A Troubleshooting by Remote Controller Display / LED Display
Troubleshooting 121
6.22 Malfunction of Transmission (Between Indoor Unit and Remote Controller)
Remote Controller
Display
88
8888
88
LED Display
A(H1P) —
ýýý
1(H2P) — 2(H3P) —
Applicable Models
R(Y)
Method of
Malfunction
Detection
Microcomputer checks if transmission between indoor unit and remote controller is normal.
Malfunction
Decision
Conditions
When transmission is not carried out normally for a certain amount of time
Supposed Causes
Failure of remote controller
Failure of indoor PC board
Outside cause (noise, etc.)
Connection of 2 master remote controllers (When using 2 remote controllers)
Troubleshooting
Set one of the remote
controllers
to"sub,"turn off the
power supply
temporarily, then
restart operation.
Indoor unit PC board
replacement
Malfunction could be
produced by noise.
Check the
surrounding area and
restart operation.
Change to
double-core
independent cable.
Failure of remote
controller PC board or
replacement of
defective indoor unit
PC board
All indoor
unit PC board
microcomputer
normal monitors
blinking
Using
multicore
transmission wiring
between indoor unit
and remote
controller
Control by 2 remote
controllers
NO
YES
YES
YES
YES
Resets
normally when
power supply is
turned off
temporarily.
NO
(SF025)
SS1 of both
remote controllers is
set to "main."
YES
NO
NO

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