Electra DCI Light Commercial Series, Manual

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Troubleshooting
216 Electrical Control System
2.2 Indoor unit malfunction
For Console(12K)
NO. Malfunction Running lamp Timer lamp Defrosting lamp
1 Refrigerant Leakage Detection
☆ ☆ ◎
2 Open or short circuit of T1 temperature sensor
☆
X X
3 Open or short circuit of T2 temperature sensor X X
☆
4 Indoor / outdoor units communication error X
☆
X
5 Outdoor fan speed has been out of control X
☆
O
6 Indoor EEPROM malfunction
☆ ☆
X
7 IPM module protection
☆
X
☆
8
Open or short circuit of T3 or T4 temperature sensor or
Outdoor unit EEPROM parameter error
☆ ☆ ☆
9 Over voltage or over low voltage protection
☆ ☆
O
10 Top temperature protection of compressor
☆
O X
11 Inverter compressor drive protection
☆ ◎
X
12 Indoor fan speed has been out of control.
☆
O
☆
O(light) X(off)
☆
(flash at 5Hz)
◎
(flash at 0.5Hz)
For console type(18K)
NO. Malfunction Running lamp Timer lamp Defrosting lamp
1 Indoor EEPROM malfunction
☆ ☆ ☆
2 Indoor fan Speed has been out of control.
☆
X
☆
3 Open or short circuit of T1 or T2 temperature sensor
☆ ☆
X
4 Indoor / outdoor units communication error X
☆
X
5 Outdoor unit malfunction X X
◎
X(off)
☆
(flash at 5Hz)
◎
(flash at 0.5Hz)
For Compact cassette(12K)
、
A5(12K):
NO. Malfunction
Defrosting
lamp
Alarm
lamp
Running lamp
Timer
lamp
Display(digital
tube)
1
Open or short circuit of T1 temperature
sensor
X X
☆
X E0
2
Open or short circuit of T2 temperature
sensor
☆
X X X E1
3 Indoor / outdoor units communication error X X X
☆
E2
4
Full-water malfunction X
☆
X X E3
5 Indoor EEPROM malfunction X X
☆ ☆
E4
6 IPM module protection X O
☆
X E5
7
Open or short circuit of T3 or T4 temperature
sensor or Outdoor unit EEPROM parameter
error
X X
☆
O E6
8 Outdoor fan speed has been out of control
☆
X
☆
O E7
9 Refrigerant Leakage Detection
☆ ☆
O X EC
10 Over voltage or over low voltage protection X O
☆
O P0
11 Top temperature protection of compressor O X
☆
X P1