Daikin RTSQ20PY1 Service Manual page 229

SiBE31-801_C
<Monitor mode>
To enter the monitor mode, push the
MODE (BS1) button when in "Setting
mode 1".
* Refer to Page 176 for Monitor mode.
<Selection of setting item>
Push the SET (BS2) button and set
the LED display to a setting item.
* Refer to Page 176 for Monitor mode.
<Confirmation of malfunction 1>
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.
<Confirmation of malfunction 3>
Push the SET (BS2) button once to
display "malfunction location".
<Confirmation of malfunction 4>
Push the SET (BS2) button once to
display "master or slave 1 or slave 2"
and "malfunction location".
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".
Troubleshooting
Description of malfunction
Open phase and unbalanced power
supply
INV radiation fin temperature sensor
malfunction
Faulty combination of INV and fan
driver
Out of gas
Reversed phase
Abnormal power supply voltage
Test run not carried out yet
Faulty transmission between indoor
and outdoor units
Faulty transmission between outdoor
units
Detail
description
on next
page.
Faulty transmission with other
systems
Faulty field setting
Unmatched wiring/piping, no system
settings
Faulty system line
Troubleshooting by Remote Controller
Malfunctions
Description of malfunction (PGF)
Unbalanced INV power supply voltage
INV fin thermistor malfunction
Faulty combination of INV
Out-of-gas alarm
Reversed phase malfunction
Insufficient INV voltage
INV open phase (single phase)
Abnormal charge of capacitor of INV
main circuit
Test run not carried out yet
IN-OUT transmission malfunction
System malfunction
Malfunction caused when mounting
the external control adaptor
Alarm given when mounting the
external control adaptor
Malfunction caused between the
master and the slave 1
Malfunction caused between the
master and the slave 2
Multi RTSYQ models connected
Faulty address setting of slaves 1 and 2
4 or more outdoor units connected in
the same system
Erroneous address of slaves 1 and 2
Disconnection of function unit
Over-connection of function unit
Error of installation for 8, 12HP single
unit
Other system or other unit in the same
system
Excess indoor units connected
Erroneous refrigerant used for indoor
unit
Faulty combination of outdoor units
Faulty independent installation
Faulty connection of former BS unit
Unmatched wiring/piping
Wrong wiring (auto address error)
k
: ON
l
: Blink
h
: OFF
Malfunction
code
Remote
controller
P1
P4
PJ
U0
U1
U2
U3
U4
U7
U9
UA
UF
UH
218