Samsung DVM S ECO BIG Series Service Manual page 87

■ Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N), connection error on 3 phase
input. (E-425) (cont.)
Outdoor unit Display
Indoor unit Display
Judgement Method
Cause of problem
Samsung Electronics
Duct, Cassette (1 / 2Way), Console, Ceiling
Operation
×
Cassette (4Way / Mini 4Way)
Operation
×
Duct, Cassette (1/2 Way), Console, Ceiling
Operation
×
• When turn on the power and check the status of the power from the inverter.
If the phase does not connect the power(no phase) : E425 or E466 (E366) is dis-
played (Air conditioner to maintain the normal state.)
• However) N-phase must be properly connected.
• Check the input wiring
• EMI Fuse short.
E-425
Defrost Timer
◑
×
Defrost Timer
◑
◑
Timer Turbo
◑
×
※ ● ◑
: ON : Flash ×: OFF
Troubleshooting
Fan Filter / MPI
◑
◑
Filter
◑
24°C 27°C
◑ ◑
4-45