Service call on 12/19/19 On arrival customer explained to me about the error codes 69 inverter intrnal fault and 97 Vdc over voltage lockout set unit to call for heat no error codes checked electrical connections checked voltage and amps checked blower motor checked coil checked air filter checked drain checked all other electrical connections in door unit also checked condenser unit outdoor checked electrical connections checked compressor found the inverter is bad also I suggested to replace the compressor to avoid future problems I gave quote for customer but customer he doesn’t want the repair we need to talk to the customer is about the price unit is operating at this time. Collected $248 for diagnostic on C.C