Samsung AM048FXMDCH - CCH Is Detached. (E-445)

Samsung Electronics 69
3-30. CCH is detached. (E-445)
Outdoor unit Display E-445
Indoor unit Display
Duct, Cassette (1 / 2Way), Console, Ceiling
Operation Defrost Timer Fan Filter / MPI
× ×
◑ ◑
◑
Cassette (4Way / Mini 4Way)
Operation Defrost Timer Filter
×
◑
◑ ◑
Duct, Cassette (1/2 Way), Console, Ceiling
Operation Timer Turbo 24°C 27°C
× ×
◑◑ ◑
※ ●
: ON ◑ : Flash ×: OFF
Judgement Method t3FGFSUIFOFYUQBHF
Cause of problem
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Own problem of CCH.
Is the CCH connector
connected to PCB?
Is the compressor
top temperature sensor fixed in correct
position?
Is CCH resistancenormal?
( 500~700/infinite for disconnection )
Does the E445 error
occur even after the outdoor unit power
is put back in?
Change PCB.
Replace EVI EEV.
Fix the compressor top temperature
sensor in correct position.
Change CCH.
Normal Operation.
Yes
No
Yes
Yes
Yes
No
No
No