Haier AU282AHBEA Service Manual page 296

2) EEPROM failure
start
Is EEPROM in mainboard
inversely connected or in
poor contact?
no
replace EEPROM
Power on again to
check if failure is
eliminated
3) Malfunction of no load
confirm the no-load malfunction
according to fault code list
Power on again to
check if compressor
runs normally
yes
Does AC power cable
go through current
transducer?
yes
Check if the fault disappears after
the outdoor PCB is replaced
Wrong fault code. Check
other possible causes
yes
reconnect
no
replace PCB
Check rectifier, power module
no
and connection to locate the
problem that causes no
function of compressor
no
Put the cable
through CT
yes
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outdoor PCB
failure
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