Daikin R-410A Service Manual page 190

Troubleshooting
1.9 Troubleshooting by remote control Display / LED Display
1
Explanation for
Symbols
1.9.1 Indoor Malfunctions
3 3
Indoor Indoor Unit
Unit Mal- LED Display
functions Note 2
H1P
4
c
c
c
5
w
x
c
c
c
c
c
c
c
c
c
3–28
c w
: LED blinks / : LED on /
: High probability of malfunction
: Possibility of malfunction
: Low probability of malfunction
— : No possibility of malfunction (do not replace)
remote Location of Malfunction
control
Display
H2P Other
than PC
Board
c
*Note 1 —
w A1
—
x
—
—
c A3
c AF
c A6
c AJ
c C4
c C5
c C9
c CC
—
c CJ
—
x
: LED off / — : No connection with troubleshooting
PC Board
Out- Indoor remote
door Unit control
Unit
— — —
— —
— — —
— — —
— —
— —
— —
— —
— —
— — —
— —
Contents of Malfunction
Normal → to outdoor unit
Malfunction indoor unit PC
board (For troubleshoot-
ing by LED, refer to p.27.)
Malfunction of drain water
level system
Malfunction of drain sys-
tem
Indoor unit fan motor lock
Malfunction of capacity
setting
Malfunctioning heat
exchanger thermistor sys-
tem.
Malfuncioning gaspipe
thermistor system.
Malfunctioning suction air
thermistor system.
Malfunctioning of humidity
sensor system
Malfunctioning remote
control air thermisto
Part 3 – Troubleshooting
ESIEN05-04
Details of
Malfunction
(Reference
Page)
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