Fujitsu ASU18RMLQ User Manual

SERVICE PARTS INFORMATION 3
Active Filter Module
02-47
Check Point 1 : Check Open or Short-circuit and Diode (D1)
Check Point 2 : Check the Output DC voltage (between P and N1)
L2L1
P
N2
N1
Power factor control
D1
(+)
( )
Io
Check the Output DC voltage (between P and N1) 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
Terminal
Resistance value
L2
L1
L1,L2
P
P
Control Box
N1
N1
(+)
(+)
( )
( )
Tester(+) Tester(-)
Check the open or short-circuit
L2
P
P
N2
L2
L2
Check the diode
0
360k
720k
1.65M /
20%
+
-
360k
20%
+
-
20%
+
-
(Ref. value 1)
1.14M
(Ref. value 2)
1.01M /
(Ref. value 1)
761k
(Ref. value 2)
Terminal
Resistance value
Tester(+) Tester(-)
1.32M /
(Ref. value 1)
663k
(Ref. value 2)
1.01M /
(Ref. value 1)
762k
(Ref. value 2)
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.

Fujitsu ASU18RMLQ Specifications

General

Brand	Fujitsu
Model	ASU18RMLQ
Category	Air Conditioner
Language	English