A6-29 - Airflow Rate Too Low - Daikin VAM350J8VEB Service Manual

3.2.11 A6-29 – Airflow rate too low
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
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.
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.
Effect
VAM and EKVDX unit will
stop operating.
draft – 07/02/2022 15:12
3 | Troubleshooting
4 57].
Reset
Power reset.
4
"5.8 Field settings" [ 83].
4
57].
Service manual
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