Fujitsu ASU18RLF Service Instructions Manual page 97

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