Electrolux T4900 - Troubleshooting Control Systems

37
Control
Service
manual
Sliding Door
Troubleshooting - Tilt
Ifthetiltfunctiondoesnotwork:
TheinputcablePtothecontrolboxKshouldgiveareading
ofapproximately110Vat60Hzor220Vat50Hz.
If "Yes"
Ifareadingof110V/220Visgiven,checkthatthereis110V
onrelaycoilsKADOWNorKCUP;atthesametime,thetilt
buttononthecontrolpanelshouldbeturnedeithertotheleft
ortheright.
•CheckglassfuseincontrolboxK:
•Removethepluganddismantlethecontrolbox.
•Removetherearandreplacethefusewithanequivalent 
fuse
If "No"
Ifnovoltage(110V/220V)canbereadoff
ontheinputplugP,checkglassfuseF11
onthesecondarysideofthetransformer;
intheeventofadefect,replacewithan
equivalentfuse.
General note!
Whentroubleshootingontilt,rotationand
invertersystems
•Checkaccordingtowiringdiagram
•Checkloosecables/connections
If the tilting function fails in tilted position
SeesectionSliding Door.
110V 60HZ
220V 50HZ
P
Supply cable
KA
DOWN
KC
UP
A2 - A1
110V AC
Yes No
Check F
Fuse 1,5AT
Check K
Fuse
P
K
1
1
F11
2
2