Garland SH/BA 3500, Service Manual

Page: 21 / 28

Service-Manual, new version author: Chr. Fuchs 17.06.99 / INDUCS Ltd. 18.09.03 page 21 of 28
Nr. Action
AO1 Switch off mains cable. Take out ST4 from logicprint C018. Check resistor (ST 4/1 – ST
4/2) by means of ohmmeter:
Position control knob R (kohm)
0
0 .....0.1
4 4.1 4.3
5 6.3 6.5
If wrong, adjust potentiometer or replace resistor incl. potentiometer
AO2 See AO1
AO3 See AO1
AT1 Switch off mains cable. Take out ST7 from logicprint C018. Check resistor (ST 7/1 – ST
7/2) by means of ohmmeter:
FLAT WOK
Temperature Vitrocerame R (Ohm) Temperature Induction coil R (Ohm)
25º C / 80ºF 980 .... 1000 25ºC / 80º F 50 - 100
100º C / 210ºF 1240 .... 1280 180ºC/355º F 3500 - 4500
150º C / 300ºF 1410 .... 1450
200ºC / 390ºF ....1570...... .1610
When out of the range, replace coil including temperature sensor
AF1 Switch off and dismount fan. Clean it.
AF2 Connect sign „Fan control“ (ST 1/10) with GND (ST 1/4 ) Fan must work. If not, fan is
defective. Replace it. Otherwise logic print must be defective. Replace.
ª see „sign connector ST1“
8 Exchange of spare parts
CAUTION
All spare parts and accessories may only be changed by
authorized personnel
CAUTION
In order to guarantee safety use only genuine spare parts and
accessories from INDUCS Ltd. If other components are used no
liability is accepted.
CAUTION
The mains cable must be disconnected.