Pioneer LISAS-B-1403, Руководство по обслуживанию

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Troubleshooting
Electrical Control System 119
2.2 Indoor unit malfunction
For Console
NO. Malfunction Running lamp Timer lamp Defrosting lamp
1 Open or short circuit of T1 temperature sensor
☆
X X
2 Open or short circuit of T2 temperature sensor X X
☆
3
Communication malfunction between indoor and outdoor
units.
X
☆
X
4 Outdoor fan speed has been out of control X ☆ O
5 Indoor EEPROM malfunction ☆ ☆ X
6 IPM module protection
☆
X
☆
7
Open or short circuit of T3 or T4 temperature sensor or
Outdoor unit EEPROM parameter error
☆ ☆ ☆
8 Over voltage or over low voltage protection
☆ ☆
O
9 Top temperature protection of compressor
☆
O X
10 Inverter compressor drive protection
☆ ◎
X
11 Indoor fan Speed has been out of control.
☆
O
☆
O(light) X(off)
☆
(flash at 5Hz)
◎
(flash at 0.5Hz)
For 12K & 24K units (excluding console):
NO. Malfunction
Running
lamp
Timer
lamp
Defrosting
lamp
Alarm
lamp
Display(nixie
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
Communication malfunction between indoor
and outdoor units.
X ☆ X X E2
4 Full-water malfunction X X X ☆ E3
5 Indoor EEPROM malfunction ☆ ☆ X X E4
6 IPM module protection ☆ X X O E5
7
Open or short circuit of T3 or T4 temperature
sensor or outdoor EEPROM is malfunction
☆
O X X E6
8 Outdoor fan is out of control
☆
O
☆
X E7
9 Refrigerant Leakage Detection O X
☆ ☆
EC
10
Communication malfunction between main
PCB and up-down panel PCB
☆ X ☆ ☆ F0
11 Up-down panel malfunction X ☆ ☆ ☆ F1
12 Indoor fan speed is out of control ☆ O O X F5
13 Outdoor unit voltage protection ☆ O X O P0
14 Compressor top temperature protection ☆ X O X P1
15 Outdoor unit over-current protection ☆ ☆ ☆ X P2
16 Inverter compressor drive error
☆ ◎
X X P4
O(light) X(off)
☆
(flash at 2.5Hz)
◎
(flash at 0.5Hz)