3
3 - 38
Control of Mini ECO-i SYSTEM
3. Wired Remote Controller
Possible cause of malfunction
Thermistor
fault
Protective
device for
compressor is
activated
Indoor thermistor is either open
or damaged.
Outdoor thermistor is either
open or damaged.
Protective device for compressor
is activated.
Indoor coil temp. sensor (E1)
Indoor coil temp. sensor (E2)
Indoor coil temp. sensor (E3)
Indoor suction air (room) temp. sensor (TA)
Indoor discharge air temp. sensor (BL)
Comp. No. 1 discharge gas temp. sensor (T,D)
O
utdoor No. 1 coil gas temp. sensor
(C1)
Outdoor air temp. sensor (T,O)
Current is not detected when comp. is ON.
EEPROM on indoor unit PCB failure
Alarm
message
<<F01>>
<<F02>>
<<F03>>
<<F10>>
<<F11>>
F04
F07
F08
F12
F16
F29
F31
H03
High pressure sensor
EEPROM on the outdoor unit PCB has failed.
Protective device in outdoor unit
is activated.
P03
<<P01>>
<<P09>>
<<P10>>
P04
P05
P14
P22
P26
H31
P16
P29
Incorrect discharge temperature.
Float switch is activated.
Thermal protector in indoor unit fan motor is activated.
Improper wiring connections of ceiling pa
nel.
High pressure switch is activated.
Detective phase (3-phase outdoor unit only)
Operation of O
2
sensor
Activation of
protective
device
Outdoor unit fan motor is unusual.
Inverter for compressor is unusual. (DC compressor does not
operate.)
Overcurrent at time of compressor runs more than 80Hz (DCCT
secondary current or ACCT primary current is detected at a time
other than when IPM has tripped.)
Compressor running failure resulting from missing phase in the
compressor wiring, etc. (Start failure
not caused by IPM or no gas.)
IPM trip (IPM current or temperature)
Compressor suction temperature sensor (T,S)
(See Note)
Alarm messages displayed on system controller
Indoor or outdoor unit is not operating correctly.
Mis-wiring of control wiring between indoor unit, outdoor unit
and system controller.
Indoor or outdoor unit is not operating correctly.
Mis-wiring of control wiring between indoor unit, outdoor unit
and system controller.
CN1 is not connected properly.
When using wireless remote controller or s
ystem controller, in
order to check the alarm message in detail, connect wired
remote controller to indoor unit temporarily.
Error in transmitting serial
communication signal
Error in receiving serial
communication signal
Protective device of sub indoor
unit in group control is activated.
Serial
communication
errors
Mis-setting
Activation of
protective
device
C05
C06
P30
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.
NOTE
06-405 Mini-ECOi_TD3 11/6/06 6:18 PM Page 38
To Next Page
Loading...
