Samsung DVM S ECO BIG Series Service Manual page 96

Troubleshooting
■ CCH is detached. (E-445))
Outdoor unit Display
Indoor unit Display
Judgement Method
Cause of problem
Is the CCH connector
connected to PCB?
Is the compressor top
temperature sensor
fixed in correct position?
Is CCH resistance
normal? ( 500~700 Ω /
infinite for
disconnection )
Does the E445 error
occur even after
the outdoor unit power
is put back in?
Change PCB.
4-54
Duct, Cassette (1 / 2Way), Console, Ceiling
Operation
×
Cassette (4Way / Mini 4Way)
Operation
×
Duct, Cassette (1/2 Way), Console, Ceiling
Operation
×
• Refer the next page.
• C CH Connector PCB is not connected / Compressor Top sensor breakaway /
Own problem of CCH
Yes
Yes
Yes
Yes
E-445
Defrost Timer
◑
×
Defrost Timer
◑
◑
Timer Turbo
◑
×
※ ● ◑
: ON : Flash ×: OFF
No
Replace EVI EEV.
No
Fix the compressor top temperature sensor in
correct position.
No
No
Normal Operation.
Fan Filter / MPI
◑
◑
Filter
◑
24°C 27°C
◑ ◑
Change CCH.
Samsung Electronics