Daikin VRV Aurora RXLQ-TATJU Series Service Manual page 236

Troubleshooting by Error Code
Error code
Incorrect electric heater capacity setting
UA - 17
Connection of excessive indoor units
UA - 18 Connection of wrong models of indoor units
UA - 20 Improper combination of outdoor units
UA - 21 Connection error
UA - 29
Branch Selector unit connected
UA - 35 Multi-unit combination error
UF - 01
Wrong wiring check error
UF - 05 Defective stop valve for test operation
Wiring error
UH - 01
Climate Talk Communication system combination error
UH - 05
(before initial setting for communication completes)
Climate Talk Communication system combination error
UH - 06
(after initial setting for communication completes)
229
Error Description
Troubleshooting
Refer to page 357.
Refer to the UA flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the UF flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the UH flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to page 365.
Refer to page 366.
SiUS341802EC
Diagnosis
Part 6 Service Diagnosis