Daikin FAQ71BVV1B Service Manual

Troubleshooting by Remote Controller Si20-701_B
315
Troubleshooting
Refer to P.464.
Is the
difference
between high and
low pressure before
startup not more
than 0.2MPa?
Is the stop
valve open?
NO
YES
YES
YES
Open the stop
valve.
NO
Insufficient
pressure
equalization.
Check refrigerant
system.
NO
Replace the
outdoor unit
PCB.
Check the installation
conditions.
Turn OFF the power
supply, and then
disconnect the
connection between the
compressor and inverter.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
CHECK 4
Continuity check
in the power transistor
(IGBT). Is the
continuity
normal?
A
CHECK 4

Daikin FAQ71BVV1B Specifications

General

Brand	Daikin
Model	FAQ71BVV1B
Category	Air Conditioner
Language	English