Tadiran Telecom SMVH09A-2A1B1NA, Service Manual

Page: 37 / 68

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