18
8 Appendix
Fault
Code
No.
Restart according to Description
TRD EN676
601 0 0 Leak check fault: gas pressure still applied.
602 0 0 Leak check fault: gas pressure missing.
603 0 0 Vent gas line manually.
605 >88 3 Oil pressure < min !!!
606 1 1 Gas > min appears in oil operation.
608 0 0 Boiler safety chain dropping.
609 1 1 Gas safety chain dropping.
610 >88 3 Oil safety chain dropping.
611 >88 3 Gas pressure too low
612 1 0 Gas pressure too high.
613 0 0 Air pressure signal missing.
616 1 1 Ignition flame goes out in standby operation
617 1 1 Continuous ignition flame goes out under operation
623 0 0 Atomizer switch-ON-pre-period not kept
624 >88 3 Oil pressure too low
625 >88 3 Oil pressure too high
626 >88 3 Atomizer air pressure too low
702 0 0 Flame signal appears during pre-ventilating.
711 0 0 Illegal operating mode change
713 0 0 Incorrect signal combination in operating mode AU
714 0 0 Incorrect signal combination in operating mode BE
715 0 0 Incorrect signal combination in operating mode VO
716 0 0 Incorrect signal combination in operating mode ZP
717 0 0 Incorrect signal combination in operating mode ZU
719 0 0 Fuel valves open too long without flame
720 0 0 Ignition transformer switched on too long
721 0 0 Ignition valve open too long
723 0 0 Ignition process taking too long
724 0 0 Gas valves open when burning oil
725 0 0 Oil valves open when burning gas
726 0 0 Main gas 2 open without main gas 1
727 0 0 Main gas 1 illegally open
728 0 0 Main gas valves and ignition valve open too long
729 0 0 Ignition process taking too long (without pilot burner)
731 0 0 Ignition valve opened without ignition burner
732 0 0 Incorrect signal combination during operation
733 0 0 Incorrect signal combination after operation
734 0 0 Pre-ventilating time not complied with
736 0 0 Leak check: both gas valves open
737 0 0 Seal tightness check: Main Gas 2 delayed for too long at deactivation.
738 0 0 Leak check: main gas 2 missing
739 0 0 Seal tightness check: Main Gas 2 open for too long.
740 0 0 Seal tightness check: Main Gas 1 leaky.