Verify Ignition Module Safety Lockout Functions (Gas Ovens)
1.Verify ignition module safety lockout functions.
A.Turn the oven on and close the door.
B.Set the oven control to call for heat, make sure convection fan is running and the burner has established a flame.
C.Locate the six burner status lights as shown in diagram.
All six status lights (Fig. 13) should be lit and indicate the following:
Light #1 High limit closed
Light #2 | Burner blower running and airflow pressure | |
switch is closed | ||
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Light #3 | Purge complete (steady on) or burner airflow | |
(blinking) | ||
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Light #4 | Thermostat closed (TH1) cycles on and off | |
with thermostat | ||
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Light #5 Ignition control powered | ||
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Light #6 Gas valve powered | ||
Fig. 13
D.If the results have been obtained, proceed to step 2.
E.If the results have not been obtained, contact an authorized service agency.
2.Verify hood exhaust air pressure switch operation.
A.Set oven to call for heat, make sure convection fan is running.
Fig. 14
B.Gain access to the top of the oven and disconnect tubing (Fig. 14) from exhaust vent collar. Burner should go out.
C.Reconnect tubing and burner should
Verify Operation of Steam
1.Check steam system for proper operation
A.Turn the water supply ON.
B.Turn oven ON and set to normal bake temperature.
C.Allow to cycle three times to stabilize temperature.
D.Set control to call for steam.
E.Observe operation. If steam is not observed, contact an authorized service agency.
After completion of the owner PM procedure, you will need to contact a qualified servicer for any needed repairs.
Keep a copy of the Owner Preventive Maintenance Checklist for your records.
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