120
For SCV-900EB and SCV-1800EB
Notes:
1.
Compressor inverter module address is set through dial switch S7 on the inverter module. The compressor inverter module A/B location refers to the wiring
diagram.
Switch
Description
S7-1
S7-2
S7
Compressor A inverter module address setting
OFF
OFF
Compressor B inverter module address setting
OFF
ON
2.
Communication wire from outdoor main PCB CN65 to inverter module CN8/CN9.
Communication port CN65 on main PCB
Communication port CN8/CN9 on inverter module
3.
ED1/2 on inverter module
F0 error
Compressor inverter module address setting
is incorrect
Reset the compressor inverter
module address via dial switch
S7 on inverter module
1
Communication wire from outdoor main
PCB
CN65
to inverter module CN8/CN9 is
loosened
2
Reconnect the communication
wire
Both LED1 and LED2 on inverter module are
off when power on
3
No
No
Yes
Yes
Check the power supply circuit
4
Yes
Replace the outdoor main PCB, is the
malfunction solved?
No
Normal
Yes
No
Replace the inverter module
Summary of Contents for SCV-1400EB
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Page 46: ...44 1 Electric Control Box Layout For SCV 750EB For SCV 1400EB...
Page 61: ...59 3 Wiring diagram 3 1 Single unit For SCV 750EB and SCV 1400EB...
Page 62: ...60 For SCV 900EB...
Page 63: ...61 For SCV 1800EB...
Page 78: ...76 5 5 E3 E4 E5 E7 Eb Ed EE EF EP EU Fb Fd Troubleshooting Digital display output...
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