Page of 264
Download Table of ContentsContents Print This PagePrint Bookmark

Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 189

60 hz.
Hide thumbs
Troubleshooting by Indication on the Remote Controller
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Check the detailed malfunction status
in the monitor mode.
(Refer to P.105, 106 for how to check.)
In confirmation
of malfunction 4,
LED lamp indicates as follows:
YES
Check if indoor
unit PCB or outdoor unit
PCB has been replaced. Or
check if indoor/outdoor, outdoor/
outdoor connecting wires
are normal.
NO
Check if all the
indoor remote controllers
within the same refrigerant
circuit display
U4
"
".
YES
Reset the power supply here.
Check if
the normal condition
monitor for the micro-computer
(HAP) on the outdoor unit
PCB blinks.
YES
Check if
the LED in preparation
mode (H2P) on the outdoor
unit PCB
blinks.
YES
Lights do not
go out for 12 minutes
or more.
NO
A
180
NO
YES
Check if the
NO
indoor/outdoor, outdoor/
outdoor connecting wires
are normal.
NO
Check if the
voltage between RS
NO
terminals on the outdoor unit
PCB is 200V.
YES
The fuse on
NO
the outdoor unit PCB
is blown.
NO
YES
Go on to P.182.
LED lamp display
(
Press the rewiring button on the
main PCB of the master outdoor
unit. Keep pressing for 5
seconds or more. (Operation
does not start for a maximum 12
minutes.)
YES
Replace the indoor unit PCB.
Correct the connecting wires.
NO
Correct the voltage (200V).
YES
Replace the fuse.
Replace the outdoor unit PCB.
Press the rewiring button on the
main PCB of the outdoor unit.
Keep pressing for 5 seconds or
more.
SiUS34-907
)
Troubleshooting

Advertising

This manual also for:

R-410a

Comments to this Manuals

Symbols: 0
Latest comments:
  • cp shukla Feb 16, 2016 06:50:
    RXYQ18PAY6 service manual & vrv Fulform