Sinclair SCV-750EB Service Manual page 72

Procedure
For SCV-750EB and SCV-1400EB
Main PCB or IPM inverter module PCB
dialing code
Replace Main PCB or IPM inverter module
PCB
Notes:
1. Main PCB capability dialing code is designated S4 on the main PCBs (labeled 39 in Part 4, 2.2.1 Main PCB component);
2. Compressor inverter module PCB address dialing code is designated S7 on compressor inverter module PCB.
For SCV-900EB and SCV-1800EB
Main PCB or IPM inverter module EEPROM
is not connected properly
Replace Main PCB or IPM inverter module
Notes:
1. Main PCB EEPROM is designated IC10 on the main PCBs (labeled 28 in Part 4, 2.2.1 Main PCB component);
2. Compressor inverter module PCB EEPROM is designated IC25 on compressor inverter module PCB (labeled 18 in Part 4, 2.3.1 Compressor Inverter Module PCB
component).
70
E0/H9
1 is not correct
No
E0/H9
No
EEPROM damaged
No
PCB
Yes
Ensure the dialing code is correct
1
Yes
Ensure the EEPROM is connected properly
Yes
Replace the EEPROM