Daikin FUY71FJV1 User Manual

Troubleshooting by Remote Controller Si20-701_B
409
Troubleshooting
YES
YES
NO
NO
YES
NO
YES
Control
by 2 remote
controllers
All
indoor unit
PCB micro-computer
normal monitors
blinking
Using
multi-core
transmission
wiring between indoor
unit and remote
controller
Is "U5"
displayed constantly?
SS1 of
both remote
controllers is set to
MAIN.
Set one of the
remote
controllers to
SUB, turn OFF
the power supply
temporarily, then
restart operation.
Change to
double-core
independent
cable.
External factor
(Noise, etc.)
NO
Defective remote
controller PCB or
replace the
defective indoor
unit PCB.
YES
NO
Resets
normally when
power supply is turned
OFF temporarily.
Replace the
indoor unit PCB.
The error could
be produced by
noise.
Check the
surrounding area
and restart
operation.
YES
NO
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.

Daikin FUY71FJV1 Specifications

General

Brand	Daikin
Model	FUY71FJV1
Category	Air Conditioner
Language	English