Samsung AM080xXV Series - Page 182

Troubleshooting
Samsung Electronics 4-65
1. Judgment Method (2hours after reset or power on, It will be judged once.)
① Compressor Top temperature at the time of judgment - Tini < 2℃ ( ※Tini : Power on or temperature of initial compressor Top after reset )
② Compressor Top temperature at the time of judgment- suction1 temp. sensor < 30℃
③ Outdoor temperature < 30℃
④ UP state
※ If all the conditions are satisfied at the same time : Mark the CCH wire breaking error (E445)
Replace the PCB.
No
Fix the compressor Top
temperature sensor in
correct position.
Is the compressor Top temperature
sensor fixed in correct position?
Is CCH resistance normal?
(500~700 Ω /infinite for disconnection)
No
Change CCH.
No
Connect.
Is the CCH connector connected to PCB?
Yes
Yes
Yes
No
Normal Operation.
Does the E445 error occur even after
the outdoor unit K3” RESET?
Yes
Outdoor unit
display
( Water Cooled )
Indoorunit
display
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation Defrost Timer Fan Filter/MPI Operation Defrost Timer Filter Operation Timer Turbo
× × ◑ ◑ ◑ × ◑ ◑ ◑ ● ◑ ◑
※ ●: ON ◑: Flash ×: OFF
Judgment
Method
∙ Refer to the judgment method below.
Cause of
problem
∙ CCH Connector PCB is not connected / Compressor Top sensor breakaway / Own problem of CCH