Daikin RXYQ96PYDN, Service Manual

Page: 347 / 567

Troubleshooting by Remote Controller SiUS34-801A_b
332 Troubleshooting
<Selection of setting item>
<Monitor mode>
<Confirmation of malfunction 1>
To enter the monitor mode, push the
MODE (BS1) button when in
“Setting mode 1”.
Push the SET (BS2) button and set
the LED display to a setting item.
Push the RETURN (BS3) button
once to display "First digit" of
malfunction code.
<Confirmation of malfunction 2>
Push the SET (BS2) button once to
display "Second digit" of malfunction
code.
Push the RETURN (BS3) button and
switches to the initial status of
“Monitor mode”.
∗
Push the MODE (BS1) button and
returns to “Setting mode 1”.
<Confirmation of malfunction 3>
Push the SET (BS2) button once to
display "malfunction location".
* Refer to Page 106, 254 for Monitor
mode.
* Refer to Page 106, 254 for Monitor
mode.
Detail
description
on next
page.
<Confirmation of malfunction 4>
Push the SET (BS2) button once to
display "master or slave 1 or slave 2"
and "malfunction location".
Malfunction code
Malfunctions Malfunction
code
Description of malfunction Description of malfunction (PGF) Remote
controller
PC board malfunction PC board malfunction E1
Faulty PC board
Leak detection PC board Indicate electric leakage detected by
the leak detection PC board E2
Abnormal discharge pressure HPS activated E3
Abnormal suction pressure Pe malfunction E4
Compressor lock INV compressor lock detected E5
OC activation STD1 compressor lock detected E6
STD2 compressor lock detected
Overload, overcurrent and abnormal
lock of outdoor unit fan motor Instantaneous overcurrent of DC fan motor for fan 1 E7
DC fan motor lock detected for fan 1
Instantaneous overcurrent of DC fan motor for fan 2
DC fan motor lock detected for fan 2
Electronic expansion valve
malfunction EVM E9
EV2
EVT
Positioning signal malfunction of
outdoor unit fan motor DC fan motor positioning signal malfunction for fan 1 H7
DC fan motor positioning signal malfunction for fan 2
Abnormal outdoor temperature Ta sensor malfunction (short-circuited) H9
Ta sensor malfunction (open)
Abnormal discharge pipe temperature Td malfunction F3
Abnormal heat exchanger temperature Refrigerant overcharged F6
Current sensor malfunction CT1 sensor malfunction J2
CT2 sensor malfunction
Discharge pipe temperature sensor
malfunction Tdi sensor malfunction (short-circuited) J3
Tds1 sensor malfunction (short-circuited)
Tds2 sensor malfunction (short-circuited)
Tdi sensor malfunction (open)
Tds1 sensor malfunction (open)
Tds2 sensor malfunction (open)
Heat exchanger gas temperature
sensor malfunction Tg sensor malfunction (short-circuited) J4
Tg sensor malfunction (open)
Suction pipe temperature sensor
malfunction TsA sensor malfunction (short-circuited) J5
TsA sensor malfunction (open)
Heat exchanger temperature sensor
malfunction Tb sensor malfunction (short-circuited) J6
Tb sensor malfunction (open)
Liquid pipe temperature sensor
malfunction 1 Tsc sensor malfunction (short-circuited) J7
Tsc sensor malfunction (open)
TL sensor malfunction (short-circuited)
TL sensor malfunction (open)
Liquid pipe temperature sensor
malfunction 2
Tf sensor malfunction (short-circuited) J8
Tf sensor malfunction (open)
Subcool heat exchanger temperature
sensor malfunction Tsh sensor malfunction (short-circuited) J9
Tsh sensor malfunction (open)
Discharge pressure sensor malfunction Pc sensor malfunction (short-circuited) JA
Pc sensor malfunction (open)
Suction pressure sensor malfunction
Pe sensor malfunction (short-circuited) JC
Pe sensor malfunction (open)
8
: ON
9 : Blink
1
: OFF