3
|
Troubleshooting
Service manual
49
VAM350~200 EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
1
Check the indoor units for error codes other than U9‑02. See
21] to solve the error code(s).
2
See "Error based troubleshooting" in the outdoor unit service manual and
proceed with the troubleshooting of this error code.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.2.40 UA-00 – Wrong remote controller
EKVDX-A and VAM-J8 units
Trigger
Effect
Reset
Wrong type of remote
controller detected.
Unit will stop operating.
Power reset.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Check the databook for compatible remote controllers. Connect compatible
remote controller.
Possible cause:
Incompatible remote controller.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.2.41 UC-00 – Central address duplication error
EKVDX-A and VAM-J8 units
Trigger
Effect
Reset
Same central address is
assigned to multiple
indoor units.
Central controller
CANNOT communicate.
Auto reset.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Consult remote controller manual and assign dedicated addresses to each
indoor unit.
Possible cause:
Incorrect address setting.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
draft – 07/02/2022 15:12
