U5-06 - Supervisor Remote Controller Not Connected/Not Set; U8-00 - Transmission Error Between Master And Slave Remote Controller - Daikin VAM350J8VEB Service Manual

3.2.36 U5-06 – Supervisor remote controller not connected/not set
3.2.37 U8-00 – Transmission error between Master and Slave remote controller
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
EKVDX-A units
INFORMATION
This error code is NOT generated by the EKVDX-A unit or VAM unit, but by another
DX indoor unit in the F1/F2 transmission circuit of the system. The error code is ALSO
shown on the remote controller of the EKVDX-A unit.
Supervisor remote controller is NOT possible for EKVDX-A + VAM pair.
Trigger
Faulty supervisor remote
controller or faulty setting
in the system.
To solve the error code
1 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.
VAM-J8 units
Trigger
Main PCB detects
abnormal/missing signal
on remote controller
transmission line.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
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.
Effect
Unit will stop operating.
Effect
Unit will stop operating.
draft – 07/02/2022 15:12
3 | Troubleshooting
Reset
Power reset.
Reset
Power reset.
Service manual
47