Service diagnosis
33
Domestic air conditioner
Check whether Terminal on the outdoor
mainboard is well inserted.
it is normal
Reinsert the terminals
Electrify the machine again and turn it on in
the Cool state with the remote controller.
check whether the motor could run
.
R emove fan motor a f t e r s witch off
the power.
Measure the resistances
between black line(0V) and red
line( 310V),between black line(0V)
a n d w h i t e l i n e ( 1 5 V ) of the fan
motor .
NO
YES
The resistances are
greater than 40K
¡
NO
YES
The motor of the outdoor unit is
damaged and needs replacing.
NO
the resistances between 0V
and 310V,between 0V and 15V of
the fan terminal of outdoor pcb are
greater than 10M
¡
.
The module pcb is
damaged, replace it
with a new one.
The
outdoor pcb
is
damaged, replace it
with a new one.
YES
The motor and
outdoor pcb are
well
YES
NO
Summary of Contents for AS25THMHRA-C
Page 2: ......
Page 41: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10...
Page 56: ...Dimensional drawings 24 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Page 73: ...Circuit diagrams 43 Domestic air conditioner 11 Circuit Diagrams...
Page 74: ...Circuit diagrams 44 Domestic air conditioner...
Page 79: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Page 83: ...Removal Procedure 8 Domestic Air Conditioner motor cover motor cover...
Page 84: ...Removal Procedure 9 Domestic Air Conditioner...
Page 96: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9...
Page 97: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 99: ...Functions and control 13 Domestic air conditioner Wiring diagrams OUTDOOR UNIT...
Page 122: ...Service diagnosis 37 Domestic air conditioner...
Page 141: ...57 Do C omestic air ircuit Diagra conditioner ams r...
Page 142: ......
Page 144: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...
Page 145: ...Removal Procedure 2 Domestic Air Condition...
Page 146: ...4 Removal Procedure 3 Domestic Air Condition...
Page 147: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...
Page 148: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...
Page 149: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
Page 150: ...Removal Procedure 7 Domestic Air Condition...
Page 151: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...
Page 152: ...Removal Procedure 9 Domestic Air Condition...
Page 165: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10...
Page 180: ...Dimensional drawings 24 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Page 197: ...Circuit diagrams 43 Domestic air conditioner 11 Circuit Diagrams...
Page 198: ...Circuit diagrams 44 Domestic air conditioner...
Page 203: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Page 206: ...2 7 Domestic Air Conditioner Removal Procedure Lift up the exchanger and remove it 1...
Page 207: ...Removal Procedure 8 Domestic Air Conditioner motor cover motor cover...
Page 208: ...Removal Procedure 9 Domestic Air Conditioner...
Page 220: ...Piping diagrams Domestic air conditioner 4 Piping diagrams 9...
Page 221: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 223: ...Functions and control 13 Domestic air conditioner Wiring diagrams OUTDOOR UNIT...
Page 246: ...Service diagnosis 37 Domestic air conditioner...
Page 265: ...57 Do C omestic air ircuit Diagra conditioner ams r...
Page 266: ......
Page 268: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...
Page 269: ...Removal Procedure 2 Domestic Air Condition...
Page 270: ...4 Removal Procedure 3 Domestic Air Condition...
Page 271: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...
Page 272: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...
Page 273: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
Page 274: ...Removal Procedure 7 Domestic Air Condition...
Page 275: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...
Page 276: ...Removal Procedure 9 Domestic Air Condition...
Page 289: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 CAPILLARY CAPILLARY...
Page 291: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
Page 318: ...Service diagnosis 40 Domestic air conditioner...
Page 321: ...11 Circ cuit Diag grams 43 Do C omestic air ircuit Diagra conditioner ams r...
Page 322: ...44 Do C omestic air ircuit Diagra conditioner ams r...
Page 323: ......
Page 351: ...Piping diagrams 9 Domestic air conditioner 4 Piping diagrams...
Page 352: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 355: ...Wiring diagrams Wiring diagrams 13 Domestic air conditioner...
Page 397: ......
Page 398: ......
Page 420: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 EEV EEV...
Page 422: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
Page 449: ...Service diagnosis 40 Domestic air conditioner...
Page 452: ...11 Circ cuit Diag grams 43 Do C omestic air ircuit Diagra conditioner ams r...
Page 453: ...44 Do C omestic air ircuit Diagra conditioner ams r...
Page 481: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV...
Page 482: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 500: ...Dimensional drawing 28 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Page 507: ...Service diagnosis 36 Domestic air conditioner...
Page 529: ......