8-2-7. Momentary power failure
8-2-8. Protection of high pressure sensor
8-2-9. Protection of low pressure sensor
- 177 -
Troubleshooting
Outdoor unit display
Indoor unit display
Judgment method
Causes
(Operation)
(Timer)
(Fan)
(Filter)
(Removing frost)
- Temporary stop of the compressor due to momentary power failure
- Protection control of compressor (Not a defect)
Outdoor unit display
Indoor unit display
Judgment method
Causes
(Operation)
(Timer)
(Fan)
(Filter)
(Removing frost)
- Temporary stop of the compressor due to momentary power failure(Over 28kgf/cm
2
G at heating)
- Over charge of refrigerant
- Indoor/Outdoor unit fan motor trouble
- Indoor/Outdoor unit fan error
Outdoor unit display
Indoor unit display
Judgment method
Causes
(Operation)
(Timer)
(Fan)
(Filter)
(Removing frost)
- When the low pressure is less than 3kg/cm
2
G for 2 seconds in cooling before
-
PUMP DOWN START(Below 0.5kgf/cm
2
G at heating)
- Indoor unit fan motor trouble(stocked, defect)
- EEV open error
- Shortage of refrigerant
✳
Stop compressor when the low pressure is less than 3kg/cm
2
G in cooling (1.5kg/cm
2
G in heating) before PUMP DOWN START.
✳
Stop compressor when condensate pressure of the compressor is more than 28kg/cm
2
G and re-start the compressor after 3 minutes
if the pressure is less than 21kg/cm
2
G.
DB98-17816A(1)_8 3/2/04 9:35 AM Page 177
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 ...