![background image](http://html1.mh-extra.com/html/garland/sh-ba-3500/sh-ba-3500_service-manual_3714829020.webp)
Service-Manual, new version
author: Chr. Fuchs 17.06.99 / INDUCS Ltd. 18.09.03
page 20 of 28
Fault
Possible cause
Action to take through
authorized personnel
Nr.
Small metallic objects
(for ex. spoons) are
heated on the heating
area
Pan detection is wrong adjusted Check logic print and contact
your supplier
AL4
1) In order to verify whether the pan is appropriate use a magnet which should stick at the bottom
of the pan. If it does not, your pan is inappropriate to induction cookers. Choose pan material
that is recommended for induction appliances.
2) The cooling system is starting to work when the temperature of the heat sink is higher than
55ºC/160ºF, it reduces the checking of the power in order to hold the power board in normal
working conditions.
7.5
Fault repair
Detailled instruction of the steps in order to repair faults (see list“Faultfinding“)
Nr.
Action
AP1
Switch off the mains cable of the cooker. Check with ohmmeter whether a short circuit
has occured. Make this test in „ON“ and „OFF“-position. Locate short circuit. If it
happened to the power print, replace it.
AP2
Check load +24 VDC
ST 1/1: „24 VDC, ST 1/4 ND (on power prints C016, C031 and on logic prints C018)
If wrong, replace logic print.
The following measurements must be done with oscilloscope:
Sign „enable“ (ST 1/2) and „low“ (ST 1/3)ª. If wrong, replace logic print C018, Check
components (see „Test components“)
AP3
Sign „low“ (ST 1/3) and high0“ (ST 1/5)ª If wrong, replace logic print C018, otherwise
check components on the power print (see „Test components“).
AL1
Verify signs „enable“ (ST 1/2) and „low“ (ST 1/3)ª . If wrong, replace logic print C018.
AL2
Replace logic print
AL3
Check signs „low“ (ST 1/3) and „high0“ (ST 1/5)ª. If wrong, replace logic print C018
otherwise replace power unit (s. AP3)
AL4
See AL2
Содержание SH/BA 3500
Страница 15: ...Service Manual new version author Chr Fuchs 17 06 99 INDUCS Ltd 18 09 03 page 15 of 28...
Страница 16: ...Service Manual new version author Chr Fuchs 17 06 99 INDUCS Ltd 18 09 03 page 16 of 28...
Страница 17: ...Service Manual new version author Chr Fuchs 17 06 99 INDUCS Ltd 18 09 03 page 17 of 28...