Vrv Iv System Air Conditioner 4P388989-1B - 2016.02 - Daikin RXYTQ8T7YF Installer And User Manual

Main code
Master
RXYTQ8~16T7YF
VRV IV system air conditioner
4P388989-1B – 2016.02
Sub code
Slave 1 Slave 2
Transmission outdoor unit - inverter:
INV1 transmission trouble - A1P
(X20A, X28A, X40A)
Transmission outdoor unit - inverter:
FAN1 transmission trouble - A1P
(X20A, X28A, X40A)
Transmission outdoor unit - inverter:
FAN2 transmission trouble - A1P
(X20A, X28A, X40A)
Transmission outdoor unit - inverter:
INV2 transmission trouble - A1P
(X20A, X28A, X40A)
INV1 unbalanced power supply
voltage
INV2 unbalanced power supply
voltage
Reversed power supply phase
malfunction
Reversed power supply phase
malfunction
INV1 voltage power shortage
INV1 power phase loss
INV2 voltage power shortage
INV2 power phase loss
Malfunction code: System test run not
yet executed (system operation not
possible)
Faulty wiring to Q1/Q2 or indoor -
outdoor
Faulty wiring to Q1/Q2 or indoor -
outdoor
System test run abnormal ending
Warning: faulty wiring to Q1/Q2
Malfunction code: faulty wiring to Q1/
Q2
▪ Too
▪ Bad wiring between outdoor and
System mismatch. Wrong type of
indoor units combined (R410A,
R407C, RA, Hydrobox, etc)
Indoor unit malfunction
Connection malfunction over indoor
units or type mismatch (R410A,
R407C, RA, Hydrobox, etc)
Connection malfunction over indoor
units or type mismatch (R410A,
R407C, RA, Hydrobox, etc)
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)
Cause
many indoor units
connected to F1/F2 line
indoor units
10 Troubleshooting
Solution
Check connection.
Check connection.
Check connection.
Check connection.
Check if power supply is within range.
Check if power supply is within range.
Correct phase order.
Correct phase order.
Check if power supply is within range.
Check if power supply is within range.
Check if power supply is within range
Check if power supply is within range.
Execute system test run.
Check (Q1/Q2) wiring.
Check (Q1/Q2) wiring.
Execute test run again.
Check Q1/Q2 wiring.
Check Q1/Q2 wiring.
are Check indoor unit amount and total
capacity connected.
Check if other indoor units have
malfunction and confirm indoor unit
mix is allowed.
Check if other indoor units have
malfunction and confirm indoor unit
mix is allowed.
Check if other indoor units have
malfunction and confirm indoor unit
mix is allowed.
Check if transmission wired unit
amount matches with powered unit
amount (by monitor mode) or wait till
initialisation is finished.
Installer and user reference guide
43