Daikin RXYQ6BRY16 Installation Manual page 61

Malfunction code
Sub code
Main
code
Master Sub 1 Sub 2
03
ua
18
20
31
49
01
uh
01
uf
05
INFORMATION
References can be found on the wiring diagram.
Information code
Main code
Auto charging related.
p2
p8
pE
p9
01_EN_3P748230-1.indd 59
Contents
Connection malfunction over indoor units or type
mismatch (R407C, Mini-split, etc).
Wrong combination (different series (e.g. RXYQ and
REYQ), or different type (e.g. A type and X type)).
Wrong combination of outdoor units.
Auto address malfunction (inconsistency)
Auto address malfunction (inconsistency)
•
Wrong wiring detection
•
Stop valves closed.
Contents
Unusual low pressure on suction line.
The automatic refrigerant charge with test run is not
activated.
* F or A method (The automatic refrigerant charge
with test run)
Freeze-up prevention indoor unit.
* F or B method (The automatic refrigerant charge)
Automatic charging nearly finished.
Automatic charging finished.
Solution
Check if other indoor units have malfunction and
confirm indoor unit mix is allowed.
Correct the units combination.
Correct the units combination.
Check if transmission wired unit amount matches
with powered unit amount (by monitor mode) or wait
till initialization is finished.
Check if transmission wired unit amount matches
with powered unit amount (by monitor mode) or wait
till initialization is finished.
Open stop valves.
Solution
Close valve C immediately. Push BS1 to reset.
Check following items before retrying auto charge
procedure:
Check if the gas stop valve is opened correctly.
•
Check if the valve of the refrigerant cylinder is
•
opened.
Check if the air inlet and outlet of the indoor unit
•
are not obstructed.
Reset malfunction by push BS2 more than 5 seconds.
"t05"
Retry auto charge operation procedure.
Close valve C immediately. Push BS1 to reset.
Retry auto charge procedure.
Prepare for auto charge stopping.
Finish auto charge mode.
59
23/01/2023 17:24:48