Daikin VRV III REYQ10PY1B, Service Manual

Page: 261 / 472

Troubleshooting by Remote Controller SiBE37-701
250 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 215 for Monitor mode.
* Refer to Page 215 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".
Malfunctions Malfunction
code
Description of malfunction Description of malfunction (PGF) Remote
controller
Open phase and unbalanced power
supply Unbalanced INV power supply voltage P1
INV radiation fin temperature sensor
malfunction INV fin thermistor malfunction P4
Faulty combination of INV and fan
driver Faulty combination of INV PJ
Out of gas Out-of-gas alarm U0
Reversed phase Reversed phase malfunction U1
Reversed phase malfunction (ON)
Abnormal power supply voltage Insufficient INV voltage U2
INV open phase (single phase)
Abnormal charge of capacitor of INV
main circuit
Test run not carried out yet Test run not carried out yet U3
Faulty transmission between indoor
and outdoor units IN-OUT transmission malfunction U4
System malfunction
Faulty transmission between outdoor
units Malfunction caused when mounting
the external control adapter U7
Alarm given when mounting the
external control adapter
Malfunction caused between the
master and the slave 1
Malfunction caused between the
master and the slave 2
Multi REYQ 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
Faulty transmission with other
systems Other system or other unit in the same
system U9
Faulty field setting Excess indoor units connected UA
Erroneous refrigerant used for indoor
unit
Faulty combination of outdoor units
Faulty independent installation
Faulty connection of former BS unit
Faulty connection between outdoor
and BS unit
Faulty connection between BS units
Wrong number of indoor units
connected to BS unit
Faulty system line Wrong wiring (auto address error) UH
Faulty transmission with accessory
equipment Multi level converter malfunction UJ
Multi level converter alarm
Multi level converter data malfunction
Multi level converter transmission
malfunction
Unmatched wiring/piping, no system
settings Unmatched wiring/piping UF
k
: ON
l
: Blink
h
: OFF