Daikin VRV III RXYQ5-54PY1 Service Manual page 229

Troubleshooting by Remote Controller
<Monitor mode>
To enter the monitor mode, push the
MODE (BS1) button when in
"Setting mode 1".
* Refer to P.184 for Monitor mode.
<Selection of setting item>
Push the SET (BS2) button and set
the LED display to a setting item.
* Refer to P.184 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".
218
Open phase/Power supply imbalance
Faulty temperature sensor inside
switch box
Faulty temperature sensor of inverter
radiation fin
Incorrect combination of Inverter and
fan driver
Gas shortage
Reverse phase
Abnormal power supply voltage
No implementation of test-run
Transmission error between indoor
and outdoor unit
Transmission error between outdoor
units, transmission error between
thermal storage units, duplication of IC
address
Detail
description
on next
page.
Transmission error of other system
Erroneous field setting
Faulty system malfunction
Transmission error in accessory
devices
Conflict in wiring and piping, no setting
for system
Contents of malfunction
Imbalance of inverter power supply
voltage
Faulty thermistor of inverter box
Faulty thermistor of inverter fin
Incorrect combination of inverter
Incorrect combination of fan driver 1
Incorrect combination of fan driver 2
Gas shortage alarm
Reverse phase error
Insufficient Inverter voltage
Inverter open phase (phase T)
Charging error of capacitor in inverter
main circult
I/O transmission error
I/O transmission error
Sequential startup ADP alarm
Sequential startup ADP malfunction
Malfunction of transmission between
multi units (Multi 1)
Malfunction of transmission between
multi units (Multi 2)
Abnormal multi horsepower setting
Abnormal multi address setting
Excessive multi connections
Multi system malfunction
Indoor unit system abnormal in other
system or other indoor unit system
abnormal in own system
System transmission malfunction
Overconnection malfunction of indoor units
Malfunction of field setting
Refrigerant abnormal
Multi-ID abnormal
Alarm of TSS field setting
Alarm of CT address setting
Wiring error (Auto-address error)
Malfunction of multi-level connection
Alarm of multi-level connection
Conflict in wiring and piping
Si34-601A
Malfunction
code
P1
P3
P4
PJ
U0
U1
U2
U3
U4
U7
U7
U9
UA
UA
UH
UJ
UJ
UF
Troubleshooting