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8. Maintenance and Troubleshooting
8.4 Troubleshooting (continued)
Problem Possible cause Remedy
The control panel displays an error
code.
E1 – Coolant coil sensor fault. Ensure that the environment meets
the requirements for this unit. Unplug
the unit and allow it to rest for several
minutes before retrying. If the error
persists, contact Draper Tools for
support.
E2 – Moisture sensor error.
E3 – Temperature sensor error.
EE – Coolant leak. Switch o and unplug the unit and
ensure that the room is well-
ventilated. Allow the unit to rest for at
least three hours before retrying. If the
error persists, contact Draper Tools for
support.
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