- 217 -
Troubleshooting
+0.7V
-0.7V
Check the display part with pressing the rest
key(K3) of the outdoor unit PCB.
Is the voltage between both wires square
wave over DC 0.7V?
Is there any response of the indoor unit
at the display on tracking?
Remove the communication wire
connecting from the outdoor unit to the
indoor unit, and then measure 2 wires of
the outdoor unit with scope.
Check the communication wire connecting from the
outdoor unit to the indoor unit. If there is no defect,
search the indoor unit that interrupts the communication
by connecting the indoor unit one by one. And after
check a wire, displace the indoor unit PCB.
Search for the indoor unit displayed the
communication error after 2 minutes, and check
the duplication of PCB address setup.
(The communication error is occurred due to
address duplication.)
In this case, the communication error is occurred at
the every indoor unit (over 2ea) set wrong address.
After check the communication wire
and connecter of the outdoor unit PCB,
replace the PCB.
GOOD
BAD
If there is no defect in address, replace the indoor unit
PCB after check the communication wire.
8-2-48. Communication error after the completion of tracking
Outdoor unit display
Indoor unit display
Judgment method
Causes
(Operation)
(Timer)
(Fan)
(Filter)
(Removing frost)
- When it is not communicated between the indoor unit and outdoor unit during the operation
- Communication error between the indoor unit and outdoor unit
No
No
Yes
Yes
Yes
DB98-17816A(1)_8 3/2/04 9:35 AM Page 217
Summary of Contents for DVM Series
Page 76: ... 75 Memo ...
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Page 156: ... 155 Memo ...
Page 280: ... 279 Exploded Views and Parts List 31 1 56 1 31 5 31 4 31 3 31 2 56 2 57 ...
Page 281: ... 280 Exploded Views and Parts List 9 F Type cont 31 1 56 1 31 5 31 4 31 3 31 2 56 2 57 ...
Page 285: ... 284 Exploded Views and Parts List 9 ...
Page 287: ... 286 Exploded Views and Parts List 9 31 1 31 4 31 2 31 5 31 6 31 3 57 1 57 2 58 G Type cont ...
Page 291: ... 290 Exploded Views and Parts List 9 ...
Page 292: ... 291 Exploded Views and Parts List 31 1 31 6 31 5 31 4 31 2 31 3 62 1 62 2 63 1 63 2 ...
Page 298: ... 297 Exploded Views and Parts List 31 1 31 6 31 5 31 4 31 2 61 1 61 2 62 1 65 2 31 3 ...
Page 358: ... 357 Memo ...
Page 361: ... 360 Wiring Diagram 10 10 1 2 4 way cassette type Cooling only AVMCC ...
Page 362: ... 361 Heat pump AVMCH ...
Page 369: ... 368 Wiring Diagram 10 070F This Document can not be used without Samsung s authorization ...
Page 370: ... 369 Wiring Diagram 080 100 This Document can not be used without Samsung s authorization ...
Page 371: ... 370 Wiring Diagram 10 100F This Document can not be used without Samsung s authorization ...
Page 373: ... 372 Wiring Diagram 10 080 100 This Document can not be used without Samsung s authorization ...
Page 374: ... 373 Wiring Diagram 100F This Document can not be used without Samsung s authorization ...
Page 385: ... 384 Schematic Diagram 11 050 This Document can not be used without Samsung s authorization ...
Page 389: ... 388 Memo ...