57
Fig. 30: Capacitor and insulator
Pos: 5.33 /0 020 Über sc hrif ten /ELT RA 1.1 Über schr iften /11 Bre aker t urns off at the end of the anal ysis ELT RA @ 6\mod_1368692228547_9.docx @ 40492 @ 222 @ 1
3.15 28BBreaker turns off at the end of the analysis
Pos: 5.34 /0 010 ELTR A/ 0015 s ervic e_ins tr ucti ons/C S-8 00_ Ser vic e/00 15 F ehl er/ 018 5 Mo dul B ra ker tur ns o ff at th e E nd E LTRA @ 6\mod_1377688608489_9.docx @ 46687 @ 222 @ 1
Causes:
The triac is malfunctioning.
The so-called Latch-up effect causes the triac to remain conductive in one direction
after triggering. The transformer is then acting as a short circuit because it is fed
with a DC voltage!
• Replace the TRIAC.
Fig. 31: Backside
Fig. 32: TRIAC