2.3.121 U3-03 - Test Run Not Performed Yet; 2.3.122 U3-04 - Test Run Ended Abnormally; U3-05 - Test Run Aborted On Initial Transmission; U3-06 - Test Run Aborted On Normal Transmission - Daikin VRV IV+ Service Manual

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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
Solve the error code(s) using the error based troubleshooting,
see "2.3 Error based troubleshooting" on
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.
2.3.121 U3-03 – Test run not performed yet
Trigger Effect
Test run NOT Unit will NOT
performed. operate.
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 "6.9 Field settings" on
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
circuit" on page 130.
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
Solve the error code(s) using the error based troubleshooting,
see "2.3 Error based troubleshooting" on
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
2.3.122 U3-04 – Test run ended abnormally
Trigger Effect
Test run ended Unit will NOT
abnormally. operate.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Check for an indoor unit related error code. See
unit related error codes" on page 68
indoor unit related error codes. To solve the error, see the
service manual of the respective indoor unit(s) for more
information.
2 Check the error history, see
Solve the error code(s) using the error based troubleshooting,
see "2.3 Error based troubleshooting" on
3 Check if communication between outdoor unit and indoor units
is initialised. Check field setting 1‑10 for count of indoor units,
see "6.9 Field settings" on
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ Heat Pump
ESIE18-14 – 2019.07
"2 Troubleshooting" on page
page 12.
Reset
Perform test run.
page 188. If less indoor units shown
"4.1 Electrical
"2 Troubleshooting" on page
page 12.
Reset
Restart test run.
"2.3.163 Indoor
for an overview of the
"2 Troubleshooting" on page
page 12.
page 188. 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
circuit" on page 130.
Possible cause: Faulty or interruption in transmission line
9.
between indoor units and outdoor unit.
4 Perform a test run from the outdoor unit. See installer reference
guide for more information.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
2.3.123 U3-05 – Test run aborted on initial
transmission
Trigger Effect
Test run could NOT Unit will NOT
start or abort due to operate.
transmission issues.
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 "6.9 Field settings" on
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
circuit" on page 130.
Possible cause: Faulty or interruption in transmission line
between indoor units and outdoor unit.
2 Check the F1‑F2 transmission line between the indoor units and
outdoor unit. See "4.1 Electrical circuit" on
9.
Possible cause: Faulty or interruption in transmission line
between indoor units and outdoor unit.
3 Perform a test run from the outdoor unit. See installer reference
guide for more information.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
2.3.124 U3-06 – Test run aborted on normal
transmission
Trigger Effect
Test run could NOT Unit will NOT
start or abort due to operate.
transmission issues.
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,
9.
see "6.9 Field settings" on
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
circuit" on page 130.
2 Troubleshooting
"4.1 Electrical
Reset
Restart test run.
page 188. If less indoor units shown
"4.1 Electrical
page 130.
Reset
Restart test run.
page 188. If less indoor units shown
"4.1 Electrical
Service manual
57