Daikin SkyAir RZQ200 · 250C7Y1B Service Manual page 114

SiBE26-701
Malfunction Code
P1 Open phase or voltage unbalance
PJ Failure of capacity setting (outdoor unit)
U0 Lack of refrigerant malfunction (low level)
U0 Lack of refrigerant malfunction (high level)
U1 Reverse phase power supply
U2 Abnormal power supply voltage
U4 Failure of transmission (between indoor and
outdoor unit)
U5 Failure of transmission (between indoor unit and
remote controller)
U8 Failure of transmission (between "main" and
"sub" remote controller
U9 Malfunction of Transmission between Indoor and
Outdoor units in the same system
UA Number of indoor units connected to this system
is more than limited etc.
UC Address error of central remote controller
UE Transmission error
(Indoor unit - Centralized controller)
UF Transmission error
(Indoor unit - Outdoor unit)
Notes:
Troubleshooting
Contents/Processing
; (Error occurs)
Error code displays automatically and system stops.
Inspect and repair it.
; (Caution)
Press "Inspection/Test" button to display "error code".
The system operates, but be sure to inspect and repair it.
; (Warning)
Error code displays with blinking.
The system operates, but be sure to inspect and repair it.
Diagnosis by Remote Controller
Remarks
Either capacity data is set incorrectly, or capacity
has not been set for the data IC
Including malfunction of K1M, K2M
Transmission between indoor and outdoor unit is
not being correctly carried out.
Transmission between indoor and remote
controller is not being correctly carried out.
Transmission between "main" and "sub" remote
controller is not being correctly carried out.
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