Tadiran Telecom SMVH09A-2A1B1NA Service Manual page 38

Name of malfunction and
No.
status
Alternating current
34 protection \ Feedforward
voltage protection
35 High voltage protection
36 Low voltage protection
DC line voltage drop
37
protection
Machine current detection
38
circuit error
39 Over-current protection
PFC current detection
40
circuit error
41 PFC protection
Indoor and outdoor
42
mismatch
Error
Way of display
Code
By remote control
procedure within
compressor stop 200
P2
sec or direcly after
compressor stop 200
sec
By remote control
procedure within
compressor stop 200
P3
sec or direcly after
compressor stop 200
sec
By remote control
procedure within
compressor stop 200
P4
sec or direcly after
compressor stop 200
sec
By remote control
procedure within
compressor stop 200
P5
sec or direcly after
compressor stop 200
sec
P6 Display directly
By remote control
procedure within
compressor stop 200
P7
sec or direcly after
compressor stop 200
sec
P8 Display directly
By remote control
procedure within
compressor stop 200
P9
sec or direcly after
compressor stop 200
sec
PA Display directly
Aftersales
"1.the voltage of power supply is
too low
2.the mainboard is broken"
"1.the voltage of power supply is
too high
2.the mainboard is broken"
"1.the voltage of power supply is
too low
2.the mainboard is broken"
"1.the voltage of power supply is
unstable
2.the mainboard is broken"
"1.Refrigerant leakage
2.the mainboard is broken"
See flow chart 13
the mainboard is broken
See flow chart 14
"1.The outdoor unit valve is not
open;
2.Refrigerant connecting pipe
incorrect installation;
3.Indoor&outdoor unit wrong
wiring connection;
4.The refrigerant connecting
pipe with the wrong connection
order sequence."
Troubleshooting
Operation
"1.check the voltage
of power supply
2.change the
mainboard"
"1.check the voltage
of power supply
2.change the
mainboard"
"1.check the voltage
of power supply
2.change the
mainboard"
"1.check the voltage
of power supply
2.change the
mainboard"
"1.check the
refrigerant leakage
2.change the
mainboard"
See flow chart 13
change the mainboard
See flow chart 14
"1.check the outdoor
valve
2.check the
Refrigerant
connecting pipe
installation
3.check the wiring
connection is correct
4.check the indoor unit
refrigerant connecting
pipe similarity with
wiring"
35