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MODEL C24EA - CONTROL BOARD
F35453 (July 2008) Page 36 of 68
Steam Generator at Operating Pressure
• Ready lights (1LT) (green) lit for the upper and lower compartments.
• All contactors de-energized (heating stops).
LED
STATUS
COMPONENT DESCRIPTION
ON OFF
1 X Same as Starting Conditions
2X
Same as Water Level at LLCO Probe Limiting contactor (1CON) remains energized
with the water level satisfied (LLCO probe).
3X
Regulating contactor 1 (2CON) de-
energized.
Power removed from heating elements.
Contactor will cycle on/off as necessary to
maintain pressure in steam generator with
call for heat from pressure switch (1PAS).
4X
Regulating contactor 2 (3CON) de-
energized.
Power removed from heating elements.
Contactor will cycle on/off as necessary to
maintain pressure in steam generator with
call for heat from pressure switch (1PAS).
5 X Relay (K1) energized.
Pressure switch opens (1PAS). Power to
cooking compartment controls (except during
delime cycle).
All other LED's are off.
Timers Set (Upper and lower Compartments)
• Cook lights (2LT) (red) lit and cooking compartment steam solenoids energize.
• Heat exchanger heating elements energize.
• LED 3 will cycle on/off with Regulating Contactor 1 (2CON) to maintain steam generator pressure.
• LED 4 will cycle on/off with Regulating Contactor 2 (3CON) to maintain steam generator pressure.
LED
STATUS
COMPONENT DESCRIPTION
ON OFF
1 X Same as Starting Conditions.
2 X Same as Water Level at LLCO Probe.
5X
Same as Steam generator at Operating
Pressure.
6 X Upper cavity relay (K8) energized.
3
Upper compartment timer set.
7 X Lower cavity relay (K9) energized.
3
Lower compartment timer set.
8X
Cavity condensate solenoid (2SOL)
energized.
Heat exchanger relay (K10) energized.
Cavity drain water is cooled.
Heat exchanger element (1) powered when
one or both compartment timers are set.
All other LED's are off.
NOTE: No LED is associated with heat exchanger relay (K12). Relays K8 and K9 must both be energized for heat
exchanger relay (K12) to be energized. Refer to SCHEMATIC DIAGRAM.
Water Refill
• HL LED lit (water level control) (cycles with water level control circuit).
• Slow fill solenoid begins until water level reaches H (high level ) probe. HL contacts cycle with water level
control circuit as water level raises and lowers between L (low level) and H (high level) probes.
• Control Board LED's no changes.