Assessments - 3, GPA: 3.7
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Make sure that the whole side below is well covered with paste. • Attach the module with the hexagon socket screws at the cooling plate Attention: Measure (and replace if necessary) Z-diodes D7, D8, D9, D10 on the power board , eventually replace D7, D9 «12V, D8, D10 = 6.8V (see page 26/27) • Attach the power board K016, K031 (see 8.2) 8.5 Rectifier First disconnect the power print K016, K031 (see 8.2) • Remove the screws • Remove the rectifier from the cooling plate • Clean the surface of the cooling plate: remove the heat conducting paste (for example with methyl spirit) • Put on a small amout of heat conducting paste on the new transistor module. Make sure that the whole side below is well covered with paste. Attention: Measure (and replace if necessary) Z-diodes D7, D8, D9, D10 on the power print, eventually replace D7, D9 =12V, D8, D10 = 6.8V (see page 26/27) • Attach the power board K016, K031 8.6 Fan • Remove cable from binding posts K7/K8 • Remove the fan with 4 screws on the bottom of the unit • Remove the fan • Put in the new fan with 2mm-distance bolts • Fix the fan with 4 screws 8.7 Temperature sensing element cooling plate The sensing element is installed in the cable lug that is fixed at the transistor module. Replace the whole part (cable lug with sensing element, cable and connector) • Remove first the power board K016, K031 (see 8.2) • Remove the hexagon socket screws at the transistor module • Remove that whole part (cable lug with sensing element, cable and connector) • Attach the cable lug with the hexagon socket screws on the transistor module Attach the power board K016, K031 (see 8.2) 8.8 Temperature sensing element coil • Place ST7 on logic print • Remove coil from spool carrier plate • Replace sensing element. Attention: the sensing element must, when the unit is connected, be placed on the vitrocerame. • Attach coil on the spool carrier plate. Distance lower border of coil to carrier plate must be 23mm. • Place ST7 on logic Appendix C018 Logic print St7 Temperatur® sensing element, coil St6 Temperatur» sensing element cooling block St4 Power rating St5 overcurrent to power print St1 Connection to power board St8 External indicator Соппе<*юп Ьу ро\л*егв¥¥йс& БЕ № 1-одю Ьоагй 6(5 + С22 С27 г>|щ С23 от • ОН С29 ло С26 СЗО С26 с» + МнНТ Е\есккя& Powвг вирр!у Connection by * power switch ► St1 Connection lo logic boarcl dlCDlisitaiinic: -ren- H aso m C48 -сж>-сн-1' я+* CSS zur Щ css est Ч| 04 CS9 ло on eso ese ац_ est TR3 Т + I a". 1LS-J С4 4- I Electrical Supply 9.5 Signal connector ST1 ST1 on power board K016 and ST1 ond Logic print K018 are directly connected (connector 1 at connector 1, connector 2 at connector 2). Therefore the signs are identical. 'HH EisSJKfSSlSllSaiSiw’-' si 1 ;« 1 +24 VDC Supply +24V for Logic print 2 enable Verify transistor module........................... “► 20 ms -► 3 low Verify transistor module: Logic sign (High speed CMOS), frequency env. 20 kHz 4 GND GND Logic .5 HighO Verify transistor module 0:: Logic sign (High speed CMOS), frequency env. 20kHz 6 Highl Not occupied 7 High2 Not occupied 8 High3 Not occupied 9 iph Sign, proportional to phase current, range -5V to +5V Error codes list Order of error message: The indicator lamp flashes for an interval of 0,6 sec. The number of the following short flashes has to be counted and informes about the kind of error corrensponding to the following list: Number of flashing signals - Code Signification Help ■ —....... No fault, normal operation 01 No coil current, Hardware overcurrent 1) 02 High coil current, Software overcurrent 03 Temperature of heat sink too high 3) 04 Temperature of the cooking field (coil) too high 2) 05 Potentiometer disconnected or defect 06 Raised temperature inside of unit 07 Short circuit of coil sensor 2c 08 External temperature sensor disconnected or defective 09 Fault on operation with external temperature sensor 10 System fault, data link system generator 11 System fault, data link system keyboard 12 Power reduction caused with raised temperature 13 Power reduction caused with raised coil temperature 14 Power reduction caused by bad pan material 1) a. Faulty pan material - compare results with another pans recomended by Indues Ltd. b. Check coil contacts c. Check IGBT- modul and power print 2) a. Cooking with empty pan!!! b. Check the coil temperature c. Check coil temperature sensor (resistance maesurement-lkft ) 3) a. Check out if cooling air inlet is blocked b. Check out fan functionality c. Check the NTC temperature sensor (20K Cl resistance ) 1 Description of the system 1.1 Block scheme L1,L2,L3 PE...
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