Sinclair SCV-750EB Service Manual page 71

5.2 E0/H9 Troubleshooting
Digital display output
Description
For SCV-750EB and SCV-1400EB
E0 indicates that the capability dialing code of the main PCB is inconsistent with the actual model.
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1H9 indicates that the driving model of IPM inverter module (compressor A) does not match.
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2H9 indicates that the driving model of IPM inverter module (compressor B) does not match.
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All units stop running.
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Error code is displayed on main PCB and user interface...d user interface.
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For SCV-900EB and SCV-1800EB
E0 indicates main PCB EEPROM error.
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1H9 indicates IPM inverter module (compressor A) EEPROM error.
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2H9 indicates IPM inverter module (compressor B) EEPROM error.
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All units stop running.
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Error code is displayed on main PCB and user interface...d user interface.
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Possible causes
For SCV-750EB and SCV-1400EB
The dialing code of main PCB capability is error.
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The address dialing code of the IPM inverter module PCB is error.
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Main PCB or IPM inverter module damaged.
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For SCV-900EB and SCV-1800EB
Main PCB or IPM inverter module EEPROM is not connected properly.
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Main PCB or IPM inverter module damaged.
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EEPROM damaged.
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