Electronic Circuit Boards; Function Check; Visual Inspection; Replacement Of Electronic Circuit Board Hcu - Leister GHIBLI AW Repair Instructions

Leister Technologies AG

10 Electronic circuit boards

Caution! The following measurement sometimes requires the tool to be connected
to line/mains. Insure tool is disconnected from line/mains before any work is com-
menced!

10.1 Function check

According to test procedure (chapter 14)

10.2 Visual inspection

Check electronic circuit boards for visual error indications:
 Scortch marks, destroyed components
 Expanded/swelled parts

10.3 Replacement of electronic circuit board HCU

Repair instructions
Ghibli AW
Revision: B
Disconnect tool from the line/mains!
Loosen PT pan head cap screws KA35x20
(4x), remove heater tube and mica tube
Heating element may be removed now;
gasket will be extracted with heating ele-
ment from blower housing top
Caution: Do not damage thermocouple!
Loosen PT pan head cap screws KA35x20
(4x) and remove blower housing top
QM INN_FO_29
Page 28 / 48
Created 13.04.15 PRI
Released 20.04.15 PRI
Modified 02.07.18 PRI