56
4.2.4 Procedure
E0/H9
Main PCB
1
or IPM inverter module
EEPROM
2
is not connected properly
Ensure the EEPROM is connected
properly
No
Yes
Yes
No
EEPROM damaged
Replace the EEPROM
Replace Main PCB or IPM
inverter module PCB
Notes:
For 30kW and 60kW units,
1. Main PCB EEPROM is designated IC10 on the main PCBs (labeled 32 in Figure 4-2.1 in Part 4, 2.2 “Main PCB”).
2. Compressor inverter module PCB EEPROM is designated IC25 on compressor inverter module PCB (labeled 6 in Figure 4-2.2 in Part 4, 2.3 “Compressor
inverter module PCB”).
