Tadiran Telecom SMVH09A-2A1B1NA Service Manual page 39

Troubleshooting
Name of malfunction and
No.
status
43 Mode conflict
Indoor ambiet temp sensor
44
short\open
Indoor mide pepe temp
45
sensor short\open
Outdoor ambient temp
46
sensor short\open
Outdoor mid-coil temp
47
sensor short\open
Outdoor pipe temp sensor
48
short\open
IPM temp sensor short\
49
open
Liquid pipe outlet temp
50
sensor short\open
Gas pipe outlet temp
51
sensor short\open
Discharge temp sensor
52
short\open
36
Error
Way of display
Code
PC Display directly
U0 Display directly
U1 Display directly
U2 Display directly
U3 Display directly
U4 Display directly
U5 Display directly
U6 Display directly
U7 Display directly
U8 Display directly
Aftersales
fault indoor unit mode is conflict
with outdoor unitoperation mode
"1.the wiring terminal between
the temperature sensor and the
mainboard loosened or poorly
contacted
2.the sensor is broken
3.the mainboard is broken"
"1.the wiring terminal between
the temperature sensor and the
mainboard loosened or poorly
contacted
2.the sensor is broken
3.the mainboard is broken"
"1.the wiring terminal between
the temperature sensor and the
mainboard loosened or poorly
contacted
2.the sensor is broken
3.the mainboard is broken"
"1.the wiring terminal between
the temperature sensor and the
mainboard loosened or poorly
contacted
2.the sensor is broken
3.the mainboard is broken"
"1.the wiring terminal between
the temperature sensor and the
mainboard loosened or poorly
contacted
2.the sensor is broken
3.the mainboard is broken"
the IPM temp sensor is broken
"1.the wiring terminal between
the temperature sensor and the
mainboard loosened or poorly
contacted
2.the sensor is broken
3.the mainboard is broken"
"1.the wiring terminal between
the temperature sensor and the
mainboard loosened or poorly
contacted
2.the sensor is broken
3.the mainboard is broken"
"1.outdoor pipe temp sensor is
not in the right position
2.the sensor is broken
3.the mainboard is broken"
Operation
turn off or change the
fault indoor unit mode
to aviod the conflict
"1.check the wiring
terminal
2.change the sensor
3.change the
mainboard"
"1.check the wiring
terminal
2.change the sensor
3.change the
mainboard"
"1.check the wiring
terminal
2.change the sensor
3.change the
mainboard"
"1.check the wiring
terminal
2.change the sensor
3.change the
mainboard"
"1.check the wiring
terminal
2.change the sensor
3.change the
mainboard"
change the mainboard
"1.check the wiring
terminal
2.change the sensor
3.change the
mainboard"
"1.check the wiring
terminal
2.change the sensor
3.change the
mainboard"
"1.check the sensor
position
2.change the sensor
3.change the
mainboard"