Daikin VRV III-S RXYMQ36 48PVJU User Manual

Troubleshooting by Indication on the Remote Controller SiUS34-907
194 Troubleshooting
3.46 “UF” System is not Set yet
Remote
Controller
Display
UF
Applicable
Models
All indoor unit models
RXYMQ36 · 48PVJU
Method of
Malfunction
Detection
On check operation, the number of indoor units in terms of transmission is not corresponding to that
of indoor units that have made changes in temperature.
Malfunction
Decision
Conditions
The malfunction is determined as soon as the abnormality aforementioned is detected through
checking the system for any erroneous connection of units on the check operation.
Supposed
Causes
 Improper connection of transmission wiring between indoor-outdoor units
 Failure to execute check operation
 Defect of indoor unit PCB
 Stop valve is left in closed position.
Troubleshooting
Note:
Wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12
hours, or if it is not carried out after running all connected indoor units in the fan mode for at least an hour.
Open stop valve.
Are the stop
valves opened?
NO
After fixing incorrect wiring,
push and hold the RESET
button on the master outdoor
unit PCB for 5 seconds.
* The unit will not run for up to
12 minutes.
Is
indoor - outdoor
unit transmission wiring
normal?
NO
Replace the indoor unit PCB.
Is indoor-
outdoor unit transmission
wiring normal?
Is the
check operation
carried out?
NO YES
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
YES
YES NO
Wiring check operation may not
have been carried out
successfully.
YES

Daikin VRV III-S RXYMQ36 48PVJU Specifications

General

Brand	Daikin
Model	VRV III-S RXYMQ36 48PVJU
Category	Heat Pump
Language	English