Maintenance
60 Z33081_00_001
6. Ifthecoolantflowisnotvisibleinthereservoir,stopandrestartthepumpuntilthecoolant
returnjetcanbeseenisthereservoir.Repeatthisoperationseveraltimesifnecessary.
Afteracompletedrainageofthecoolingsystem,thetubingmaycontainairbubblesand
coolant may not circulate immediately. If this occurs add slightly more water in the
reservoir.
9.2.3 FusesReplacement
WARNING
Dangerofinjuryfromelectricalshock!
Alifethreateningshockmayresultwhenthehousingisopenduringoperation.
1. Onlyqualifiedpersonnelshouldopenthehousing.
2. Disconnectthedevicefromtheelectricalpowersupplybeforeopeningthedevice.
Useavoltmetertoverifythatthedeviceisnotunderpower!
3. Besurethatthepowersupplycannotbereconnectedwithoutnotice.
CAUTION
Riskoffireduetoincorrectfusesusage
Replace the fuses only with the same type and electrical rating as indicated on the
fusereplacementlabel.