7 Control electronics
Training manual Convotherm 4 104
Relays on the SIB (functions)
Relay name Label on SIB Associated LED Function
K1 Brnr Fan LED 3
Power supply for convection 1, convection 2
and boiler burners
K2 Drn Pmp LED 5 CS-chamber drainage pump
K3 Flsh Pmp LED 8
Boiler drainage pump
K4
Smkr
LED 9 Smoker
K5 Circ Pmp LED 7 Circulation pump
K6
Exh Hdl LED 10 Extraction hood at low speed
K7
Spare Rly1 LED 13 Spare relay 1
K8 Exh Hdh LED 12
Extraction hood at high speed
K9
Self holding Rly
LED 14 Self-holding for SI board
K10 Sicotrnc LED 1 Sicotronic output
K11 Spare Rly2 LED 15 Spare relay 2
K12 Main Cont LED 20 Main contactor
K13 Blr Fil Vlv LED 16 Boiler fill valve
K14 Dehum Flap LED 21 Dehumidifier valve
K15 Neut Pmp LED 19 Rinse-aid dispensing pump
K16 Inj Sprtzr LED 2 Water injection for steam generation in an
injection unit
K17 Det Pmp LED 18 Cleaning-agent dispensing pump
K18 Con Wtr Vlv LED 17 Collector cooling valve
LEDS on the SIB (functions)
LED on SIB Light sequence Function
LED11 red
Status of SIB
1s off / 1s on Normal mode
1s off / 2s on
Service mode
1s off / 3s on
Cleaning mode
Permanently on
Initially: communications not yet established with UI
board
Permanently on Later: fatal error
Permanently on or off System crash
LED6 green
Permanently on 3.3VDC
LED4 green
Permanently on 5VDC
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