Maintenance
50
Troubleshooting Bottom Oven Section
POSSIBLE CAUSE(S)
SUGGESTED REMEDY
SYMPTOM: Steam generator overfills.
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Float assembly is hanging up.
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The Float Debounce timer has failed.
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Solenoid is staying open.
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Excessive water pressure to the solenoid.
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Delime steam generator / remove float assembly
if needed and clean / move float assembly up /
down, verify reed switch is opening & closing
with VOM
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Replace as needed.
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Replace if needed. Coil resistance is 1800 ohms.
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Water regulator was not set to correct pressure,
adjust to 35psi.
SYMPTOM: TOO HOT FOR STEAM light is on.
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TOO HOT FOR STEAM light is an information
light only, if it is ON" it does not affect operation
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Open door and cool down cooking cavity if TOO
HOT FOR STEAM light comes on in the steam
mode, P1 is defective.
SYMPTOM: Mode switch is in the steam mode, power on light is on, but no steam.
NOTE: If the water level is not maintained properly, a safety (TAS1) (caliary type thermostat, opens
at 275F & must be manualy reset) Before continuing, review the sequence of operation to
understand the float circuit / fill logic.
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Mode switch terminals 1 & 2 open
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Mode switch terminals 5 & 6 open
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Boiler is not full of water due to:
Water solenoid (SOL1) is open
Water regulator is clogged or not working
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Use VOM to ohm out terminals, replace mode
switch in needed
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Use VOM to ohm out terminals, replace mode
switch in needed
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A quick way to see if you have water, is to open
the deliming port and see if water is present.
The resistance of the coil is about 560 ohms.
Verify voltage to the coil.
Remove the regulator and inspect for water flow.
Adjust regulator to proper pressure, 35 psi.
