Lamtec VMS 4, Manual

Page: 101 / 146

100
8 System Operation
Fault
Code
No. Restart according to Description
TRD EN676
520 0 0 Internal comparison: relay output terminal 67 not dropping out.
H See S500
521 0 0 Internal comparison: relay output terminal 43 or 68 (ETAMATIC) not dropping
out.
H See S500
522 0 0 Internal comparison: relay output terminal 16 or 65 (ETAMATIC) not dropping
out.
H See S500
523 0 0 Internal comparison: relay output terminal 11 or 66 (ETAMATIC) not dropping
out.
H See S500
524 0 0 Internal comparison: relay output terminal 45 not dropping out.
H See S500
525 0 0 Internal comparison: relay output terminal 68 or 61 (ETAMATIC) not dropping
out.
H See S500
526 0 0 Internal comparison: relay output terminal 36 not dropping out.
H See S500
527 0 0 Internal comparison: relay output terminal 41 not dropping out.
H See S500
528 0 0 Internal comparison: relay output terminal 76 not dropping out.
H See S500
529 0 0 Internal comparison: Output K203 not dropping out.
See S500
530 0 0 Internal comparison: Output K201 not dropping out.
See S500
540 0 0 TRIAC selftest : optical couplers are not OFF
See S500
541 0 0 TRIAC selftest : all TRIACS are not supplied with voltage!
Terminal 60 not connected or fuse F5 defective.
Check whether terminals 26 and 60 are supply by the same phase.
See S500
542 0 0 TRIAC selftest : main gas 1 is currentless
See S500
543 0 0 TRIAC selftest: main gas 2 is currentless
If a test current is flowing during the TRIAC self test and no test current is at the ter-
minal for Main Gas 2, the software assumes that a fault is present.
- The connector of Main Gas 2 is not connected
- The solenoid valve is defective
- The TRIAC for Main Gas 2 is defective in ETAMATIC.
If the device only works for oil operation - disconnect Main Gas 1.
544 0 0 TRIAC selftest : oil pump is currentless
See S500