Daikin VRV IV+ Service Manual page 156

2 | Troubleshooting
2.3.149 U3-03 – Test run not performed yet
Service manual
156
1 Check if communication between outdoor unit and indoor units is initialised.
Check field setting 1‑10 for count of indoor units, see
4
settings" [ 455]. If less indoor units shown than expected, communication
between 1 or more indoor unit(s) and outdoor unit is NOT correct. Check the
F1‑F2 transmission line between the indoor unit and outdoor unit, see
"4.1 Electrical circuit" [
Possible cause: Faulty or interruption in transmission line between indoor
units and outdoor unit.
2 Perform a test run from the outdoor unit. See installer reference guide for
more information.
3 Check the error history, see "2 Troubleshooting" [
using the error
4
troubleshooting" [
4 System operation is possible but leak detection function will NEVER run.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Test run NOT performed.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check if communication between outdoor unit and indoor units is initialised.
Check field setting 1‑10 for count of indoor units, see
4
settings" [ 455]. If less indoor units shown than expected, communication
between 1 or more indoor unit(s) and outdoor unit is NOT correct. Check the
F1‑F2 transmission line between the indoor unit and outdoor unit, see
"4.1 Electrical circuit" [
Possible cause: Faulty or interruption in transmission line between indoor
units and outdoor unit.
2 Perform a test run from the outdoor unit. See installer reference guide for
more information.
3 Check the error history, see "2 Troubleshooting" [
using the error
4
troubleshooting" [
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
4
356].
based troubleshooting,
22].
Effect
Unit will NOT operate.
4
356].
based troubleshooting,
22].
"6.9 Field
4
14]. Solve the error code(s)
see "2.3 Error
Reset
Perform test run.
"6.9 Field
4
14]. Solve the error code(s)
see "2.3 Error
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
based
based