Kaisai SUPER DC INVERTER SERIES, Руководство по обслуживанию

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LFIS-B-1211 Troubleshooting
Electrical Control System 89
2.2 Indoor unit malfunction
NO. Malfunction
Running
lamp
Timer
lamp
Defrosting
lamp
Alarm
lamp
Display(digital
tube)
1
Communication malfunction between indoor
and outdoor units.
X
☆
X X E1
2
Open or short circuit of T1 temperature
sensor
☆
X X X E2
3
Open or short circuit of T2 temperature
sensor
☆
X X X E3
4
Open or short circuit of T2B temperature
sensor
☆
X X X E4
5 Full-water malfunction X X X
☆
EE
6 Indoor EEPROM malfunction
◎
X X X E7
7 Outdoor unit malfunction X X X
◎
Ed
8 Indoor fan speed is out of control
☆ ☆
X X E8
9
Communication malfunction between main
PCB and up-down panel PCB
☆ ☆ ☆
X F0
10 Up-down panel malfunction
☆ ☆
X
☆
F1
11 Up-down panel is not closed
☆ ☆
X O F2
12
Communication malfunction between master
unit and slave unit
X
☆
X
☆
F3
13 Other malfunction of master unit or slave unit X
☆ ☆
X F4
O (on) X(off)
☆
(flash at 5Hz)
◎
(flash at 0.5Hz)
2.3 Outdoor unit malfunction
Display Malfunction or Protection
E0 Outdoor EEPROM malfunction
E2
Indoor / outdoor units communication error
E3
Communication malfunction between IPM board and outdoor main board
E4 Open or short circuit of T3 or T4 temperature sensor
E5 Voltage protection of compressor
E6 PFC module protection (For 30K-48K)
E8 Outdoor fan speed has been out of control
P0 Top temperature protection of compressor
P1 High pressure protection
P2 Low pressure protection
P3 Current protection of compressor
P4 Discharge temperature protection of compressor
P5 High temperature protection of condenser
P6 IPM module protection
P7 High temperature protection of evaporator