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7
Display
E1
E2
EP
EE
CL
Error Message
Appears when either the up or
downkey is pressed when not in the
programming mode.
Appears if the control settings are not
properly stored in memory.
Appears when the probe is open,
shorted or sensing a temperature that
is out of range.
Appears if the EPROM dada has
been corrupted.
Appears if calibration mode has
been entered.
To Correct
If the E1 message appears even when no
keys are being pressed, replace control.
Check all settings and correct if
necessary.
Check to see if the sensed temperature
is out of range. If not, check for probe
damage by comparing it to a known
ambient temperature between -30°F and
220°F. Replace the probe if necessary.
This condition cannot be field repaired.
Replace the control.
Remove power to the control for at
least five seconds. Reapply power. If the
CL message still appeared, replace the
control.
Error Messages/
troubleshooting