Tadiran Telecom SMVH09A-2A1B1NA Service Manual page 37

Troubleshooting
Name of malfunction and
No.
status
Compressor phase ciurcuit
20
detection error
Compressor phase loss
21
error
Outdoor DC fan motor
22
error
Outdoor DC fan motor
23 phase current detection
circuit error
24 Jumper error
PG Indoor motor zero
25 crossing detecting circuit
malfunction
26 Indoor fan motor error
Indoor display
27 communication between
Indoor and Outdoor failure
Select the port level
28
abnormal error
29 Indoor EEPREM error
Outdoor display
30 communication between
Indoor and Outdoor failure
31 Trial running
32 Outdoor EEPREM error
Power On failure \ Chaging
33
ciurcuit error
34
Error
Way of display
Code
H6 Display directly
By remote control
procedure within
compressor stop 200
H7
sec or direcly after
compressor stop 200
sec
By remote control
procedure within
compressor stop 200
H8
sec or direcly after
compressor stop 200
sec
H9 Display directly
L0 Display directly
L1 Display directly
L2 Display directly
L3 Display directly
By remote conrol
L4
procedure only
By remote conrol
L5
procedure only
L6 Display directly
By remote conrol
LL
procedure only
P0 Display directly
P1 Display directly
Aftersales
the mainboard is broken
"1.mainboard and
compressor unconnected
2.the mainboard is broken"
"1.Outdoor motor fan is blocked
2.mainboard and DC
fan motor unconnected
3.the mainboard is broken
4.DC fan motor is broken"
the mainboard is broken
See flow chart 9
the mainboard is broken
See flow chart 10
See flow chart 11
the mainboard is broken
See flow chart
See flow chart 12
Normal function
"1.EEPROM chip(U8)is loose
2.the mainboard is broken"
"1.the voltage of power
supply is too low
2.the mainboard is broken"
Operation
change the mainboard
"1.check the
connecting of
mainboard and
compressor
2.change the
mainboard"
"1.remove the block
2.check the
connecting of
mainboard and DC
fan motor
3.change the
mainboard
4.change the DC fan
motor"
change the mainboard
See flow chart 9
change the mainboard
See flow chart 10
See flow chart 11
change the mainboard
See flow chart
See flow chart 12
Normal function
"1.check the EPROM
chip(U8)
2.change the
mainboard"
"1.check the voltage
of power supply
2.change the
mainboard"