- 175 -
Troubleshooting
Check power of main parts
Is CN77 cable
red ~ white/ white ~black/ red ~
black voltage AC380V?
Exchange two wires of 3 phase
incoming ones and press
the reset key (K3) and then retry.
P4 reappears?
Since it is the trouble on the 3 phase
detection circuit part, replace the PCB.
Measure the incoming part of 3 phase
power to find the problems on the
wire and circuit breaker for action.
Since the problems of incoming 3 phase
cable changed is solved,
normal operation is possible.
CN77 YEL
wire for 3 phase
power check
red white black
8-2-5. Reverse phase detection of 3 phase power
Outdoor unit display
Indoor unit display
Judgment method
Causes
(Operation)
(Timer)
(Fan)
(Filter)
(Removing frost)
- One of the phase voltages or all of them are not incoming, comparing the
-
sequence of 3 phase circuit wave
-
(P4 error is automatically reset when the phase voltage is restored)
- l Incorrect connection of 3 phase power L1 (R), L2(S) and L3(T)/ 3 phase power is not on
●
Check items
- Check the 3 phase detection part power of outdoor unit PCB.
- Check the color of red, white and black of the cable for 3 phase detection part connectors L1(R), L2(S) and L3(T)
(Take care that the color and sequence are not changed.)
No
No
Yes
Yes
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Страница 360: ... 359 359 Heat pump AVMKH Wiring Diagram This Document can not be used without Samsung s authorization ...
Страница 361: ... 360 Wiring Diagram 10 10 1 2 4 way cassette type Cooling only AVMCC ...
Страница 362: ... 361 Heat pump AVMCH ...
Страница 366: ... 365 Wiring Diagram 10 1 4 Wall mounted type AVMWC AVMWH This Document can not be used without Samsung s authorization ...
Страница 367: ... 366 Wiring Diagram 10 10 1 5 Ceiling type AVF This Document can not be used without Samsung s authorization ...
Страница 369: ... 368 Wiring Diagram 10 070F This Document can not be used without Samsung s authorization ...
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Страница 371: ... 370 Wiring Diagram 10 100F This Document can not be used without Samsung s authorization ...
Страница 372: ... 371 Wiring Diagram 10 2 2 Heat pump 050 060 This Document can not be used without Samsung s authorization ...
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Страница 374: ... 373 Wiring Diagram 100F This Document can not be used without Samsung s authorization ...
Страница 375: ... 374 Wiring Diagram 10 RMAH140 160 180 200 This Document can not be used without Samsung s authorization ...
Страница 376: ... 375 Wiring Diagram RMAH200 240 260 280 300 This Document can not be used without Samsung s authorization ...
Страница 378: ... 377 Schematic Diagram 11 1 2 4 Way cassette type AVMCC H This Document can not be used without Samsung s authorization ...
Страница 380: ... 379 Schematic Diagram AVMWC H 052 072 This Document can not be used without Samsung s authorization ...
Страница 382: ... 381 Schematic Diagram 11 1 5 Floor Standing type AVMPC H This Document can not be used without Samsung s authorization ...
Страница 383: ... 382 Schematic Diagram 11 11 1 6 Ceiling type This Document can not be used without Samsung s authorization ...
Страница 384: ... 383 Schematic Diagram 11 1 7 Cooling only 060 070 This Document can not be used without Samsung s authorization ...
Страница 385: ... 384 Schematic Diagram 11 050 This Document can not be used without Samsung s authorization ...
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