Daikin SkyAir RZR-TA Series Service Manual page 220

Troubleshooting by Error Codes
Monitor mode
To enter the monitor mode, press
the MODE (BS1) button when in
"Setting mode 1".
Selection of setting item
Press the SET (BS2) button and set
the LED display to a setting item.
Confirmation of error 1
Press the RETURN (BS3) button
once to display "First digit" of error
code.
Confirmation of error 2
Press the SET (BS2) button once to
display "Second digit" of error code.
Confirmation of error 3
Press the SET (BS2) button once to
display "error location".
Confirmation of error 4
Press the SET (BS2) button once to
display "master or slave 1 or slave 2"
and "error location".
Press the RETURN (BS3) button
and switches to the initial status of
"Monitor mode".
Press the MODE (BS1) button and
return to "Setting mode 1".
214
Inverter circuit capacitor high voltage
Defective temperature sensor of
inverter radiation fin
Refrigerant shortage
Abnormal power supply voltage
N o i m p e l m e t n t a o i
Transmission error between indoor
and outdoor unit
Transmission error of other system
Erroneous field setting
Conflict in wiring and piping, no setting
for system
D e e f c v i t e s s y e t m
Detailed
description
on next
page.
Error Description
Imbalance of inverter power supply
voltage
Defective thermistor of inverter fin
Refrigerant shortage alarm
Liquid pipe temperature abnormality
Insufficient Inverter voltage
Open phase in inverter (Phase T)
Error due to SP-PAM overvoltage
Error due to P-N short circuit
n f o e t s - t u r n
/ I O t a r n s m i s s o i n
Indoor unit system error
Indoor unit system abnormal in other
system or other indoor unit system
abnormal in own system
System transmission error
Overconnection error of indoor units
Error of field setting
Refrigerant abnormal
Connection error (BP unit)
Conflict in wiring and piping
W r i n i g e r r r o A ( u
SiUS281811EA
Error Code
P1
P4
U0
U2
U 3
e r r r o U 4
U9
UA
UF
o t a - d d e r s s r e o r ) r U H
Part 6 Service Diagnosis