Daikin RXYQ96PYDN Service Manual page 449

Troubleshooting by Indication on the Remote Controller
Troubleshooting
434
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Check the LED lamps for "Check 3"
corresponding to the malfunction
UA
code " " and for Check 4 in the
monitor mode. (Refer to P336~337
for how to check.)
Check 3 Check 4
Check 3 Check 4
Check 3 Check 4
Check 3 Check 4
Check 3 Check 4
Check 3 Check 4
Check 3 Check 4
Check 3 Check 4
Check 3 Check 4
Check 3 Check 4
SiUS34-801A_b
To Diagnosis Flow 1
(Excessive number of indoor
units connected)
To Diagnosis Flow 2
(Connection of erroneous models
of indoor units)
To Diagnosis Flow 3
(Faulty combination of outdoor
units)
To Diagnosis Flow 4
(Faulty wiring in units dedicated
to multi connections)
To Diagnosis Flow 5
(Connection of erroneous models
of BS units)
To Diagnosis Flow 6
(Faulty wiring between outdoor
units and BS units)
To Diagnosis Flow 7
(Faulty wiring between BS units)
To Diagnosis Flow 8
(Faulty wiring between indoor
units and BS units)
To Diagnosis Flow 9
(Faulty wiring of BS units by heat
pump equipment)
To Diagnosis Flow 10
(Faulty wiring of multi heat pump
and heat recovery equipment)
Troubleshooting