Fujitsu ARU18RLF Service Manual

Test 1 : Check Open or Short-circuit and Diode (D1)
Test 2 : Check the Output DC voltage (between P and N)
L2L1
P
Check the Output DC voltage (between P and N) of compressor stopping and operating.
If it is abnormal,replace ACTIVE FILTER MODULE
Remove connector, check the open or short-circuit and the diode in the module
>> If the output voltage of compressor operating is less than the output voltage of compressor stopping,
Active Filter Module is detective. >> Replace Active Filter Module
Check the open or short-circuit
Terminal
Resistance value
L2
L1
L1 , L2
P
P
Control Box
N1 (N)*
+ (+IN)*
- ( -IN)*
- ( -IN)*
multimeter
(-)
N1 (N)*
L2
0
360k
720k
1.65M /
20%
+
-
360k
20%
+
-
20%
+
-
(Ref. value 1)
1.14M
(Ref. value 2)
1.01M /
(Ref. value 1)
0.76M
(Ref. value 2)
SACT32010 [ HITACHI ]
LACT33020 [ HITACHI ]
PM-604 [ FGEL ]
PM-703 [ FGEL ]
PM-601 [ FGEL ]
360k
20%
+
-
0
900k
20%
+
-
1.01M /
(Ref. value 1)
0.76M
(Ref. value 2)
540k
20%
+
-
1.65M /
(Ref. value 1)
1.14M
(Ref. value 2)
LOT No. 1302931396 -
LOT No. - 1302931395
PM-601 [ FGEL ]
Type A Type B
Table.1 Each type standard value
multimeter
(+)
+ (+IN)*
N1 (N)*
+ (+IN)*
- ( -IN)*
N1 (N)*
* ( ) is FGEL terminal name.
※
※
L2
P
P
L2
Terminal
Resistance value
1.32M /
(Ref. value 1)
0.66M
(Ref. value 2)
1.01M /
(Ref. value 1)
0.76M
(Ref. value 2)
Table.2 Standard value is changed by the tool specification
(Type A and B are the same value)
multimeter
(-)
multimeter
(+)
By kind of multimeter , the value may change significantly.
※
※
※
Ref. value 1
Specifications for Multimeter
Manufacturer : FLUKE
Model name : FLUKE11
Power source : DC9V.
Ref. value 2
Specifications for Multimeter
Manufacturer : SANWA
Model name : PM3
Power source : DC3V.
LOT No. of PM-601 [ FGEL ] type
Model name
Lot No.(10 figures)
Label position
Label
SERVICE PARTS INFORMATION 8
Active filter module
02-57

Fujitsu ARU18RLF Specifications

General

Brand	Fujitsu
Model	ARU18RLF
Category	Air Conditioner
Language	English