Part 5 Electrical Control System - Fisher FSKIF-121AE2-EU Service Manual

2.2 Indoor unit malfunction
For Console
FSFIF-121AE2
Indoor EEPROM malfunction
Communication malfunction between indoor and outdoor units
Indoor fan speed has been out of control
Open or short circuit of T1 temperature sensor
Open or short circuit of T2 temperature sensor
Refrigerant leakage detection
Overcurrent protection (For some units)
Open or short circuit of T4 temperature sensor
Open or short circuit of T3 temperature sensor
Open or short circuit of T5 temperature sensor
Outdoor EEPROM malfunction (For some units)
Outdoor fan speed is out of control
Open or short circuit of T2B temperature sensor (For free-match indoor units)
IPM module malfunction
Over voltage or over low voltage protection
Too low ambient temperature protection
Error rotor position protection of compressor
Low pressure protection of compressor
For 12K compact cassette
Indoor EEPROM malfunction
Communication malfunction between indoor and outdoor units
Indoor fan speed has been out of control
Open or short circuit of T1 temperature sensor
Open or short circuit of T2 temperature sensor
Refrigerant leakage detection
Water level alarm
Communication error between master and slave unit (for twins system)
Another indoor unit malfunction (for twins system)
Overcurrent protection (For some units)
Open or short circuit of T4 temperature sensor
Open or short circuit of T3 temperature sensor
Open or short circuit of T5 temperature sensor
Outdoor EEPROM malfunction (For some units)
Outdoor fan speed is out of control
Open or short circuit of T2B temperature sensor (For free-match indoor
units)
IPM module malfunction
Over voltage or over low voltage protection
Too low ambient temperature protection
Error rotor position protection of compressor
Low pressure protection of compressor
Electrical Control System
Malfunction
X(off) ☆(flash at 2Hz)
O (on)
FSKIF-121AE2-EU
Malfunction
X(off) ☆(flash at 2Hz)
O (on)
Timer Lamp
X
X
X
X
X
X
O
O
O
O
O
O
O
☆
☆
☆
☆
☆
Error Code Timer Lamp
E0 X
E1 X
E3 X
E4 X
E5 X
EC X
EE X
E8 X
E9 X
F0 O
F1 O
F2 O
F3 O
F4 O
F5 O
F6 O
P0 ☆
P1
☆
P3 ☆
P4
☆
P6
☆
Troubleshooting
Operation Lamp
(flashes)
1
2
4
5
6
7
1
2
3
4
5
6
7
1
2
4
5
7
Operation Lamp
(flashes)
1
2
4
5
6
7
8
9
10
1
2
3
4
5
6
7
1
2
4
5
7
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