Daikin RXQ12AHR, Руководство по обслуживанию

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SiAF341904E Troubleshooting by Error Code
Part 6 Service Diagnosis 277
5.56 Improper Combination of Indoor Unit and Outdoor Unit,
Indoor Unit and Remote Controller
Applicable
Models
All indoor unit models
All outdoor unit models
Error Code
UA
Method of Error
Detection
A difference occurs in data by the type of refrigerant between indoor and outdoor units.
The number of indoor units connected is out of the allowable range.
Error Decision
Conditions
The error decision is made as soon as either of the abnormalities aforementioned is detected.
Supposed
Causes
 Excess of connected indoor units
 Defective outdoor unit main PCB

Mismatch of the refrigerant type of indoor and outdoor unit.
 Setting of outdoor unit main PCB was not carried out after replacing to spare PCB.
Troubleshooting
Ens u re the s ub code or
the lamp display of
monitor mode, and then
go to the follo
w ing:
Caution
Be s u re to t u rn off the po w er s w itch b efore connecting or disconnecting
connectors, or parts may b e damaged.
Go to Diagnosis Flo w chart-1.
(Connection of excess indoor
u nits)
Go to Diagnosis Flo w chart-2.
(Connection of incorrect models
of indoor
u nits)
Go to Diagnosis Flo w chart-3.
(Improper com b ination of o u tdoor
u nits)
Go to Diagnosis Flo w chart-4.
( W rong connection)
Go to Diagnosis Flo w chart-5.
(M u lti system com b ination error)
UA-17
Error code S ub code
Error code S ub code
Error code S ub code
Error code S ub code
Error code S ub code
UA-1 8
UA-20
UA-21
UA-31