Abnormality At Vam Unit; Transmission Error Between Vam And Ekvdx; Vam Unit Has A6-28 Error - Daikin VAM350J8VEB Service Manual

3.2.44 UJ-35 – Abnormality at VAM unit
3.2.45 UJ-36 – Transmission error between VAM and EKVDX
3.2.46 UJ-37 – VAM unit has A6-28 error
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
EKVDX-A units
Trigger
Malfunction detected at
VAM unit.
To solve the error code
1 Check the error code at the VAM-J8 indoor unit. See
4
troubleshooting" [ 21] to solve the error code.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
EKVDX-A units
Trigger
Error detected in
transmission between the
units.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check the transmission wiring between the VAM unit and the DX unit. See
"5.2 Wiring diagram" [
Possible cause: Faulty transmission wiring.
2 Check the field settings for VAM unit and DX unit pair application. Make sure
to perform the correct settings. See
Possible cause: Incorrect field setting.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
EKVDX-A units
Trigger
VAM unit has A6-28 error. Unit will stop operating.
Effect
Unit will stop operating.
Effect
Unit will stop operating.
4
63].
"5.8 Field
Effect
draft – 07/02/2022 15:12
3 | Troubleshooting
Reset
Power reset.
"3.2 Error based
Reset
Power reset.
settings" [ 4 83].
Reset
Power reset.
Service manual
51