Daikin VAM350J8VEB Service Manual page 46

3 | Troubleshooting
Service manual
46
draft – 07/02/2022 15:12
To solve the error code
INFORMATION
EKVDX-A + VAM-J8 pair can ONLY have 1 remote controller. In this setup sub remote
controllers and/or supervisor remote controllers are NOT allowed. Make sure remote
controller is set to normal mode. slave mode or supervisor mode is NOT allowed.
VAM-J8 stand‑alone installation can have master and slave remote controllers.
EKVDX-A unit CANNOT be installed stand‑alone.
INFORMATION
It is recommended to perform the checks in the listed order.
▪ IN CASE OF VAM-J8 STAND‑ALONE
1 Check if multiple remote controllers are wired to the same indoor unit. One
remote controller needs to be set to main while all other remote controllers
need to be set to sub. Also check that the remote controllers are correctly
wired. See installer reference guide of the remote controller for detailed
information.
Possible cause: No main remote controller set when multiple units are wired
to the same indoor unit.
2 Perform a check of the remote controller. See Remote controller user
interface.
Possible cause: Faulty remote controller or faulty transmission wiring
between remote controller and indoor unit.
3 If possible, switch the faulty remote controller with a remote controller from
another indoor unit.
▪ If error transfers to the other indoor unit, replace the remote controller. See
Remote controller user interface.
Possible cause: Faulty remote controller.
▪ If error is still present on the indoor unit, Perform a check of the indoor unit
main PCB. See Indoor unit PCB.
Possible cause: Faulty indoor unit main PCB.
▪ IN CASE OF EKVDX-A + VAM-J8 COMBINATION
1 Perform a check of the remote controller. See Remote controller user
interface.
Possible cause: Faulty remote controller or faulty transmission wiring
between remote controller and indoor unit.
2 If possible, switch the faulty remote controller with a remote controller from
another indoor unit.
▪ If error transfers to the other indoor unit, replace the remote controller. See
Remote controller user interface.
Possible cause: Faulty remote controller.
▪ If error is still present on the indoor unit, 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.
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02