3
Note: Only two fault codes are displayed by this control “F1”and “F3”. Generally, “F1” implies a control failure,
and “F3” an oven probe problem. In all ocurrences the alarm is accompanied by a display of “F1”
1. Shorted keypad.
2. Control's internal checksum may
have become corrupted.
3. Control has sensed a potential
runaway oven condition. Control may
have shorted relay, RTD sensor probe
may have gone bad.
1. Open RTD sensor probe/ wiring
problem. Note: EOC may initially
display an "F1", thinking a runaway
condition exists.
2. Shorted RTD sensor probe / wiring
problem. Note: "F3" is displayed
when oven is in active mode or an
attempt to enter an active mode is
made.
Likely Failure Condition/Cause
Suggested Corrective Action
Fault Code
1. Replace EOC.
2. Disconnect power, wait 30 seconds and reapply power. If
fault returns upon power-up, replace EOC.
3. Check RTD sensor probe and replace if necessary. If oven
is overheating, disconnect power. If oven continues to
overheat when the power is reapplied, replace EOC.
Severe overheating may require the entire oven to be
replaced, should damage be extensive.
1. Check wiring in probe circuit for possible open condition.
Check RTD resistance at room temperature (compare to
probe resistance chart). If resistance does not match the
chart, replace the RTD sensor probe.
2. Check wiring in probe circuit for possible short condition.
Check RTD resistance at room temperature (compare to
probe resistance chart). If resistance does not match the
chart, replace the RTD sensor probe.
F3
F1
ELECTRONIC OVEN CONTROL FAULT CODE DESCRIPTIONS AND RTD SCALE
ES100 ELECTRONIC OVEN CONTROL
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