(Revised 1/02)
TROUBLESHOOTING
7-16
PROBLEM: OVEN DOES NOT ACHIEVE READY STATUS - (Continued)
Probable Cause
Corrective Action
Air burner valve SV1 and/or lighter arm valve
not operating properly. (Continued)
Relay board and/or control panel not operating
properly.
COMBO MODE
Continuity measured. Check burner orifices for blockage.
Clean or replace if necessary.
Open circuit measured. Replace boiler valve SV1 and/or
SV2.
115VAC not measured. K11 or K12 on relay board could
be defective. Replace the relay board.
Perform relay board power supply check. See page 8-3.
Refer to Steam Mode and Oven Mode troubleshooting procedures, pages 7-11 and 7-15.
PROBLEM: BOILER OVERFILLS
Probable Cause
Water level probe circuits.
Shorted door switch.
Water inlet valve defective.
Relay board not grounded properly.
Relay board or control panel problem.
See “Service Codes 1 or 2” in the Service Codes section
of this manual.
WARNING
Be sure oven is disconnected from branch cir-
cuit power before performing any repair work.
Test door switch. See page 8-5.
Test water inlet valve. See page 8-6.
T
ighten ground connection screw
.
Check that capacitor C101 lead is not touching the adjacent
diode lead. Separate capacitor and diode leads if necessary
.
Perform power supply check. See page 8-3.
Corrective Action
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