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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 196

60 hz.
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SiUS34-907
UA
3.43 "
" Improper Combination of Indoor and Outdoor Units
etc.
UA
Remote
Controller
Display
Applicable
All indoor unit models
Models
Method of
A difference occurs in data by the type of refrigerant between indoor and outdoor units.
The number of indoor units is out of the allowable range.
Malfunction
Incorrect signals are transmitted among the indoor unit and outdoor unit.
Detection
Malfunction
The malfunction decision is made as soon as either of the abnormalities is detected.
Decision
Conditions
 Excess of connected indoor units
Supposed
 Defect of outdoor unit PCB (A1P)
Causes
 Mismatching of the refrigerant type of indoor and outdoor unit
 Setting of outdoor PCB was not conducted after replacing with spare PCB.
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Check the LED lamps for
"Confirmation of malfunction 3"
corresponding to the malfunction code
"UA"
and for Confirmation of
malfunction 4 in the monitor mode.
(Refer to P.105 · 106 for how to check.)
Confirmation of
Confirmation of
malfunction 3
malfunction 4
Confirmation of
Confirmation of
malfunction 3
malfunction 4
Confirmation of
Confirmation of
malfunction 3
malfunction 4
Troubleshooting
Troubleshooting by Indication on the Remote Controller
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)
187

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  • cp shukla Feb 16, 2016 06:50:
    RXYQ18PAY6 service manual & vrv Fulform