A6-30 - Airflow Rate Lower Than Normal - Daikin VAM350J8VEB Service Manual

3 | Troubleshooting
3.2.12 A6-30 – Airflow rate lower than normal
Service manual
30
draft – 07/02/2022 15:12
Possible cause: Faulty indoor unit fan motor.
7 Perform a check of the indoor unit fan PCBs. See Indoor unit fan PCB.
Possible cause: Faulty indoor unit fan PCB.
8 Perform a check of the indoor unit main PCB. See Indoor unit PCB.
Possible cause: Faulty indoor unit main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
VAM-J8 units
Trigger
The airflow is lower than
the threshold level.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 This error can ONLY occur if VAM-J8 and EKVDX-A are installed together
where field settings are 28‑10=2 and 29‑15=2. If it's a standalone VAM-J8
make sure to perform correct field settings. See
Possible cause: Incorrect field settings.
2 Check that the ducting is compliant with the installation limits. See installer
reference guide.
Possible cause: Ducting is incorrect, too long or has incorrect size.
3 Clean the air filter of the indoor unit(s). See "4 Maintenance" [
Possible cause: Faulty or dirty air filter.
4 Perform a check of the indoor air thermistor. See Thermistors.
Possible cause: Faulty indoor air thermistor.
5 Perform a check of the outdoor air thermistor. See Thermistors.
Possible cause: Faulty outdoor air thermistor.
6 Perform a check of the indoor unit fan motors. See Indoor unit fan motor.
Possible cause: Faulty indoor unit fan motor.
7 Perform a check of the indoor unit fan PCBs. See Indoor unit fan PCB.
Possible cause: Faulty indoor unit fan PCB.
8 Perform a check of the indoor unit main PCB. See Indoor unit PCB.
Possible cause: Faulty indoor unit main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Effect
Unit will NOT stop
operating.
Reset
Auto reset.
4
"5.8 Field settings" [ 83].
4
57].
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02