P
ERIODICAL
I
NSPECTION
M
AINTENANCE
AND
I
NSPECTION
C
HAPTER
8
138
Cleaning inside the welding power
source
(When an abnormal temperature
error code is displayed)
•
Dust accumulating on the fin or winding of heat sink can cause insufficient heat radiation.
Remove the left side panel and fan frame and check the dirt inside. If there is heavy dirt, blow the
fin and coils of heat sink directly with compressed air to remove dust inside.
WB-P402L
WB-P502L
Periodical inspection item
Inspection work
Heat sink
Fan
Connector
Fan frame
Heat sink
Fan
Connector
Fan frame
Fan frame