Panasonic CZ-RTC2

3-53
Control of 2WAY SYSTEM
1
2
3
4
5
6
7
8
9
3. Timer Remote Controller
Alarm messages displayed on system controller
Serial
communication
errors Mis-
setting
Error in transmitting serial
communication signal
Indoor or main outdoor unit is not operating correctly.
Mis-wiring of control wiring between indoor unit, main outdoor unit
and system controller.
C05
Error in receiving serial
communication signal
Indoor or main outdoor unit is not operating correctly.
Mis-wiring of control wiring between indoor unit, main outdoor unit
and system controller.
CN1 is not connected properly.
C06
Activation of
protective
device
Protective device of sub indoor
unit in group control is
activated.
When using wireless remote controller or system controller, in order
to check the alarm message in detail, connect wired remote controller
to indoor unit temporarily.
P30
NOTE
1. Alarm messages in << >> do not affect other indoor unit operations.
2. Alarm messages in < > sometimes affect other indoor unit operations depending on the fault.
EEPROM on indoor unit PCB failure F29
Protective device
for compressor is
activated
Protective device for compressor
No. 1 is activated.
F31EEPROM on the main or sub outdoor unit PCB has failed.
H03Current is not detected when comp. No. 1 is ON.
Protective device for compressor
No. 2 is activated.
H11Compressor No. 2 current trouble (overcurrent)
H12Compressor No. 2 current trouble (locked)
H13Compressor No. 2 CT sensor disconnected or short circuit
H15Compressor No. 2 discharge temp. sensor disconnected
Protective device for compressor
No. 3 is activated.
H21Compressor No. 3 current trouble (overcurrent)
H22Compressor No. 3 current trouble (locked)
H23Compressor No. 3 CT sensor disconnected or short circuit
H25Compressor No. 3 discharge temp. sensor disconnected
H06Low pressure switch is activated.
Oil sensor fault.
(Disconnection, etc.)
H08Comp. No. 1 oil sensor
H27Comp. No. 2 oil sensor
H28Oil sensor (connection) failure
Possible cause of malfunction
Alarm
message
TD831151-002WAY.indb53TD831151-002WAY.indb53 2011/01/1317:08:052011/01/1317:08:05