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Troubleshooting
4-88
Samsung Electronics
CH wire breaking error
(CONT.)
Outdoor unit display
Indoorunit display
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
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
( Water Cooled )
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
Содержание AM072/096/120/144FXVAFH
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Страница 230: ...5 16 Samsung Electronics 5 5 ASS YPCBFAN Model 1 FANchassis 1 5 2 6 3 4...
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Страница 276: ...Samsung Electronics 8 13 8 3 How to check the view mode using a tact switch AM6666XV666 rX rY rZ r A type B type...