Daikin FUY71FJV1 User Manual

Si20-701_B Troubleshooting by Remote Controller
304
Troubleshooting
YES
NO
NO
YES
Is the
secondary
current of the
inverter higher than A
(*1) for each
phase?
Continuity
check in the
power transistor
(IGBT). Is the
continuity
normal?
NO
YES
Remedy the
cause.
Check for
excessive
refrigerant
charging.
NO
Open the stop
valve.
YES
Turn OFF the power
supply.
High pressure is high.
Is the
stop valve
opened?
Replace the
outdoor unit
PCB.
Replace the
outdoor unit
PCB.
Compressor
inspection.
Inspect
according to the
diagnosis
procedure for
abnormal noises,
vibration,
operating status,
etc. of the
compressor.
CHECK 4
CHECK 6
CHECK 10
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