Operating instructions
34
6.5 Resettingthelterchangingmessage
Afterthereplacementoftheltersandtheevaporatormatthelterchangingmessagecanbereset
asfollows:
1. Switchontheunit(thelterchangingmessageappears).
2. Press the <ESC> and <Enter> keys simultaneously until the opposite
message appears.
3. Press the <Enter>keytoresetthelterchangingmessageandthe
interval counter. The standard operating display appears.
Note: By pressing the <ESC> key the reset procedure can be can-
celledwithoutaction.Thelterchangingmessageisthendisplayed
again.
Warning 6
Filter change
Filter change
ESC OK
6.6 Repair work
Note:Exceptforthechangeofthefuseandthereplacementofdamagedpartsrevealeduponmain-
tenance, the customer must not carry out any repair work.
Replacement of the unit fuse
1. ShutdowntheDefensorPH28anddisconnecttheunitfromthemains(pullthemainsplugout
ofthesocket).
2. Remove the water tank carriage (see chapter 5.1).
3. Loosenthescrewsoftheterminalcover,thenremovethecover.
4. Pulloutthefuseholder.
5. Replacethefuse.
Makesurethedataofthenewfuseareinaccordancewiththefollowingspecications:
– Unitsfor200…240V/50…60Hzmains:
fuse type 1.25A, slow-blow
– Unitsfor110…120V/50…60Hzmains:
fuse type 2.5A, slow-blow