Watlow Electric 986 User Manual
7.10
WATLOW Series 988 User’s Manual
Tuning, Manual Operation, Alarms and Error Codes, Chapter 7
Error Codes
To clear an error code…
• If [`Err] is set to [`nLA], the error code should clear once the prob-
lem is corrected.
• If [`Err] is set to [`LAt], correct the problem and cycle power. You
can also clear the error by pressing both the Up-arrow > and Down-
arrow < keys to enter the Setup Menu, then press the Display key
¥.
arrow < keys to enter the Setup Menu, then press the Display key
¥.
Error codes [`Er4]
,
[`Er5]
and
[`Er9] will result in these
conditions:
• The control is in automatic operation with both control outputs off.
• The alarm outputs are in their alarm state (de-energized with the LED
• The alarm outputs are in their alarm state (de-energized with the LED
lit).
• The lower display is blank.
• The upper display indicates the error code.
• All keys are inactive.
• With [`Er5], all Setup Menu prompts return to default values.
• The above conditions occur regardless of the [FAIL] value, or the set-
• The upper display indicates the error code.
• All keys are inactive.
• With [`Er5], all Setup Menu prompts return to default values.
• The above conditions occur regardless of the [FAIL] value, or the set-
tings in the Setup and Factory menus.
Cycle power to the control. If the error is still present contact the factory.
˜
NOTE:
An alarm display
will be masked by
an error condition
or when the control
is in the Calibration
or Setup menus.
An alarm display
will be masked by
an error condition
or when the control
is in the Calibration
or Setup menus.
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