Troubleshooting
Electrical Control System
125
2.4.3.4. E4 malfunction
Judge 1: Outdoor condenser temp. sensor (T3) is malfunction
E4 display
No
No
Replace condenser temp. sensor(T3)
Check whether the wiring of the
condenser temp. sensor(T3) is
broken off
Check whether the resistance of
condenser temp. sensorT3) is
wrong refer to the
Appendix
1
Yes
Connect the wiring well
Yes
Judge 2: Outdoor ambient temp. sensor (T4) is malfunction
No
Replace outdoor ambient
temperature sensor (T4)
Check whether the wiring of the
outdoor ambient temperature
sensor (T4) is broken off
Check whether the resistance of
outdoor ambient temperature
sensor (T4) is wrong refer to the
Appendix
1
Yes
Connect the wiring well
Yes
No
Replace outdoor main PCB
Summary of Contents for CCT 140IUINV
Page 13: ...Service Space Super Slim Cassette Type 13 3 Service Space 1000mm 1000mm 1000mm 1000m m ...
Page 14: ...Wiring Diagrams 14 Super Slim Cassette Type 4 Wiring Diagram CCT140 IUINV CCT160 IUINV ...
Page 26: ...Wiring Diagrams Duct Type 27 4 Wiring Diagrams DCT140 IUINV DCT160 IUINV ...
Page 32: ...Field Wiring Duct Type 33 10 Field Wiring ...
Page 35: ...Service Space Ceiling Floor Type 37 3 Service Space ...
Page 36: ...Wiring Diagrams 38 Ceiling Floor Type 4 Wiring Diagrams CFT140 IUINV CFT160 IUINV ...
Page 41: ...Field Wiring Ceiling Floor Type 43 9 Field Wiring ...
Page 45: ...Service Space GA Floor standing Type 47 3 Service Space ...
Page 46: ...Wiring Diagrams 48 GA Floor standing Type 4 Wiring Diagrams FS140IUINV FS160IUINV ...
Page 56: ...Wiring Diagrams 70 Outdoor Units OU 1403 IUINV OU 1603 IUINV ...
Page 80: ...Troubleshooting Electrical Control System 121 2 4 2 3 Up down panel is not closed ...
Page 88: ...Troubleshooting Electrical Control System 129 2 4 3 8 P0 malfunction ...
Page 89: ...Troubleshooting 130 Electrical Control System 2 4 3 9 P1 malfunction ...
Page 90: ...Troubleshooting Electrical Control System 131 2 4 3 10 P2 malfunction ...
Page 91: ...Troubleshooting 132 Electrical Control System 2 4 3 11 P3 malfunction ...