Ua-00" - Improper Combination Of Indoor Unit And Outdoor Unit - Daikin FTXTA30AW Service Manual

ESIE17-19C | Part 2. Troubleshooting
Possible cause
Wiring abnormality between indoor unit
and outdoor unit.
Faulty outdoor unit main PCB.
Faulty outdoor fan motor.
Faulty indoor unit main PCB.
Standby electricity saving mode is ON but
there is a sky-air indoor installed on the
unit.
More info:
Check procedures
"Main PCB" on page 56
"Fan motor" on page 55
2.2.3.4. "UA-00" – Improper combination of indoor unit and outdoor unit
Trigger
Signal transmission between indoor unit
and outdoor unit abnormality.
Possible cause
Improper combination of indoor unit and
outdoor unit.
Wiring abnormality between indoor unit
and outdoor unit.
Faulty outdoor unit main PCB.
Faulty indoor unit main PCB.
Standby electricity saving mode is ON but
there is a sky-air indoor installed on the
unit.
19/08/19 | Version 1.1
Optimized Heating 4
Check
Check wiring between indoor unit and out-
door unit.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Check the fan motor.
Check fan motor connections and wiring.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check if the indoor main PCB receives
power.
If the indoor unit is NOT a sky-air indoor.
This mode is only compatible with split
indoor units.
Replacing procedures
"Replacing main PCB" on page 95
"Replacing DC fan motor assembly" on page 87
Effect
Unit will stop operating.
Check
Check combination.
Check wiring between indoor unit and out-
door unit.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check if the indoor main PCB receives
power.
If the indoor unit is NOT a sky-air indoor.
This mode is only compatible with split
indoor units.
2.2. Error based troubleshooting
Corrective action
Adjust wiring between indoor unit and out-
door unit when required.
Replace wiring between indoor unit and
outdoor unit when required.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Replace fan motor when required.
Adjust wiring when required.
Restore the power to the indoor main
PCB.
Replace indoor main PCB when HAP LED
is not blinking in regular intervals.
Put "standby electricity saving function"
OFF (see installation manual).
Reset
Power reset via outdoor unit.
Corrective action
Adjust installation when required.
Adjust wiring between indoor unit and out-
door unit when required.
Replace wiring between indoor unit and
outdoor unit when required.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Restore the power to the indoor main
PCB.
Replace indoor main PCB when HAP LED
is not blinking in regular intervals.
Put "standby electricity saving function"
OFF (see installation manual).
Page 45