Daikin VRV IV, Инструкция для установки и пользователя

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24 | Troubleshooting
Installer and user reference guide
146
RXYLQ10~14T7Y1B*
VRV IV system air conditioner
4P543427-1A – 2020.10
Main code Sub code Cause Solution
Master Slave 1 Slave 2
Faulty wiring to Q1/Q2 or
indoor - outdoor Check (Q1/Q2) wiring.
Faulty wiring to Q1/Q2 or
indoor - outdoor Check (Q1/Q2) wiring.
System test run abnormal
ending Execute test run again.
Warning: faulty wiring to Q1/
Q2 Check Q1/Q2 wiring.
Malfunction code: faulty
wiring to Q1/Q2 Check Q1/Q2 wiring.
▪ Too many indoor units are
connected to F1/F2 line
▪ Bad wiring between outdoor
and indoor units
Check indoor unit amount and
total capacity connected.
System mismatch. Wrong type
of indoor units combined
(R410A, R407C, RA, Hydrobox,
etc)
Indoor unit malfunction
Check if other indoor units
have malfunction and confirm
indoor unit mix is allowed.
Connection malfunction over
indoor units or type mismatch
(R410A, R407C, RA, Hydrobox,
etc) Check if other indoor units
have malfunction and confirm
indoor unit mix is allowed.
Connection malfunction over
indoor units or type mismatch
(R410A, R407C, RA, Hydrobox,
etc) Check if other indoor units
have malfunction and confirm
indoor unit mix is allowed.
Wrong unit combination
(multi system) Check if unit types are
compatible.
Wrong unit combination
(multi system) Check if unit types are
compatible.
Auto address malfunction
(inconsistency) Check if transmission wired
unit amount matches with
powered unit amount (by
monitor mode) or wait till
initialisation is finished.
Auto address malfunction
(inconsistency) Check if transmission wired
unit amount matches with
powered unit amount (by
monitor mode) or wait till
initialisation is finished.
Stop valve closed or wrong
(during system test run) Open stop valves.
Auto charging related