Tadiran Telecom SMVH09A-2A1B1NA, Руководство по обслуживанию

Страница: 36 / 68

33
Troubleshooting
No.
Name of malfunction and
status
Error
Code
Way of display Aftersales Operation
12 4 way valve malfunction E7
By remote control
procedure within
compressor stop 200
sec or direcly after
compressor stop 200
sec
"1.Supply voltage is unstable
2.mainboard and 4-Way
valve unconnected
3.4-Way valve is broken"
"1.check the voltage
of power supply
2.check the
connecting of
mainboard and 4-way
valve
3.change the 4-Way
valve"
13
Outdoor ambient
temperature abnormal
protection
E8
By remote conrol
procedure only
"1.outdoor environment
temperature is high or low
2.outdoor environment
temperature sensor is broken"
"1.check the
outdoor environment
temperature is in
normal range
2.change the temp
sensor"
14 Compressor stalling H0
By remote control
procedure within
compressor stop 200
sec or direcly after
compressor stop 200
sec
See flow chart 4 See flow chart 4
15 Start up failure H1
By remote control
procedure within
compressor stop 200
sec or direcly after
compressor stop 200
sec
See flow chart 5 See flow chart 5
16
Compressor phase current
peak protection
H2
By remote control
procedure within
compressor stop 200
sec or direcly after
compressor stop 200
sec
See flow chart 6 See flow chart 6
17
Compressor phase current
RMS protection
H3
By remote control
procedure within
compressor stop 200
sec or direcly after
compressor stop 200
sec
See flow chart 7 See flow chart 7
18 IPM protection H4
By remote control
procedure within
compressor stop 200
sec or direcly after
compressor stop 200
sec
See flow chart 8 See flow chart 8
19 IPM overheat protection H5
By remote control
procedure within
compressor stop 200
sec or direcly after
compressor stop 200
sec
1. The radiator ventilation is not
normal
2. IPM module thermal paste
dry solid or screw is loose
3. main board is broken
"1.check the radiator
ventilation status
2.check the status of
IPM module thermal
paste dry solid and
screw
3.change the
mainboard"