- 189 -
Troubleshooting
8-2-23. Indoor unit float switch error
Outdoor unit display
Indoor unit display
Judgment method
Causes
(Operation)
(Timer)
(Fan)
(Filter)
(Removing frost)
- When the indoor unit float switch is open for longer than 1 minute
- Drain fan level increase due to the indoor unit drain pump failure, detection sensor bad
✳
E3 error is reset when the power of indoor unit is reset.
Is the indoor unit having
error cassette type?
Is the water in the drain pan much?
Reset the indoor unit power and
check the operation of drain pump.
Is the drain pump operating?
Is the level of drain fan low?
It operates normally.
Replace the drain pump.
Solve the problem, referring to page 28
drain pump(option)
Reassemble the float switch connector and
then reset the power of indoor
and outdoor unit.
Replace the PCB.
Replace the drain pump.
Replace the PCB of indoor unit.
It operates
normally.
Since it is the defect of float switch,
reset the power of indoor unit.
Is the terminal voltage of
drain pump PCB approximately
AC 220V?
Does the same error appears?
Is the resistance
∞
when measuring it, after
take out the float switch connector
connected to the indoor unit
PCB? (open state)
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
DB98-17816A(1)_8 3/2/04 9:35 AM Page 189
Summary of Contents for DVM Series
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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 ...