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1. Test Run
1-3. Alarm messages on CCU (CR-DYPTG)
∗ During normal operation, either "OUTDOOR" or "CB" alarm lamp on CCU lights up with alarm display of LED1-8 (red).
∗ In case either "OUTDOOR" or "CB" alarm lamp lights up during automatic address operation, turn the "ITEM" switch
to "4" to display alarm messages on LED 1-8 (red).
∗ In case of "INDOOR" alarm, only alarm LED lights up, and alarm messages are not displayed on LED 1-8 (red).
Remote
controller
display
8
7
O
E06
O
E07
O
–
O
E15
O
E16
O
E23
O
E24
O
E25
O
E26
O
E27
O
E29
O O
L04
O O
L05
O O
L06
O O
F04
O O
F05
O O
F06
O O
F07
O O
F08
O O O
F22
O
H25
O O O
F23
O O O O
F24
O O O O
F25
∗
O O O
P02
5
∗
O O O
P04
∗
O
H06
O O O
P05
∗
O O O
P03
∗
O O O O
P17
∗
O O O O
P18
NOTE
∗: Alarm display LED lamps may all be lit up or all blink at once.
(Without∗: light up all at once only)
CCU
: Command control unit (incorporated in outdoor unit)
PC unit
: Power control unit
AD unit
: Additional unit
PC comp. : Power control compressor
AC comp. : Constant speed compressor
SC comp. : Scroll compressor
LED (red)
6
5
4
3
2
1
O O
CCU receives error signal from indoor unit.
O O O
CCU transmits error signal to indoor unit.
O O
Starting auto. address setting is prohibited.
O O O O
The number of connected indoor units
is less than the number set in CCU.
O
The number of connected indoor units
is more than the number set in CCU.
O
O O O
CCU transmits error signal to outdoor P.C.B..
O O
CCU receives error signal from outdoor P.C.B..
O O
O
Duplication of outdoor unit address.
O O
O
The number of outdoor units does not correspond to number set in CCU.
O O
O O
Mis-wiring of outdoor unit control wiring.
O O O
O
Outdoor unit receives error signal.
O
Duplication of outdoor R.C. address setting.
O
O
Operation mode priority remote controllers
are set with 2 units or more.
O O
O
O
O
O O
O O O
O
Outdoor thermistor is either
open or damaged
O O
O O
O
Note: PC unit / AD unit
O O O
O
O
Protective device activated
O
High-pressure switch
O O
Low-pressure switch
O
O
Negative phase protector
O O
O
Abnormal discharge temperature
O
Alarm message
Message displayed by turning the
"ITEM" switch to "4" when alarm LED
lights up during automatic address
operation.
From priority mis-setting remote controller
From non-priority setting remote controller
Discharge gas temp. (PC comp.): TH1
Discharge gas temp. (AC comp.): TH2
Outdoor no. 1 coil gas temp.: TH7/TH4
Outdoor no. 1 coil liquid temp.: TH4/TH2
Outside air temp.: TH9/TH5
Discharge gas temp. (SC comp.): TH3/TH1
Improper installation of discharge gas
temp. sensor (SC comp.): TH3/TH1
Outdoor no. 2 coil gas temp.: TH8
Outdoor no. 2 coil liquid temp.: TH5
Outdoor coil temperature: TH6/TH3
Thermal protector in FM or comp.
Defective phase.
Power supply voltage is unusual.
(The voltage is more than 260V or less
than 160V between L and N phase.)
PC, AC, SC comp.
SC comp.
PC comp.
AC comp.
SC comp.
V - 6
Test Run and Others
O: light ON / blinking : light OFF
TD831077
- Quick Links:
- Technical Data
- Service Manual
- Outdoor Unit
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