Daikin RZQG71~140L7V1B Service Manual page 251

Troubleshooting by Remote Controller
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
UF
Does " "
appear when the power
is turned ON?
NO
Continue the
condition that the blinking
interval of HAP on outdoor unit
PCB is short (∗1) for more
than one minute.
Is the
connection of
inter-unit wiring and piping
between the indoor and outdoor
units matched?
YES
CHECK 11
Is the refrigerant
level proper?
YES
Note:
1 ON for 0.2 second and OFF for 0.2 second (Blink about 25 times for 10 seconds)
(Normally, ON for 0.4 second and OFF for 0.4 second (Blink about 12 times for 10 seconds))
CHECK 10 Refer to P.251.
CHECK 11 Refer to P.252.
240
YES
The phase of inter-unit wiring between
the indoor and outdoor units is
incorrect.
The phase of inter-unit wiring between
the indoor and outdoor units is
incorrect.
NO
NO
ESIE12-06
Correctly connect inter-unit
wiring between the indoor and
outdoor units.
Correctly connect inter-unit
wiring between the indoor and
outdoor units.
Match the connection of the
inter-unit wiring and piping
between the indoor and outdoor
units.
Recharge a proper amount of
refrigerant after refrigerant
recovery and vacuum drying.
CHECK 10
Check the refrigerant piping
system for clogging.
Service Diagnosis