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8. Maintenance
8.5 Error Messages
The chiller may display the following error messages:
Code Meaning Typical Solution(s)
E1
Ultrahigh Room
Temp. Alarm
Cool the area directly around the engraver.
Pause work until the room itself cools.
Move the engraver to a cooler area.
Contact customer service for information on checking the wiring for the
chiller’s ambient temperature sensor.
E2
Ultrahigh Water
Temp. Alarm
Pause work while leaving the chiller running to cool the water.
Drain a portion of the heated water and add cooler water or laser-safe
antifreeze. (Do not add ice.)
Check the chiller’s F6 alarm setting (
§
7.2 Water Chiller Adjustment on
Page 106). Restore it to 38–45
℃
if it has been mistakenly set any lower.
Contact customer service for information on checking the wiring for the
chiller’s water temperature sensor.
E3
Ultralow Water
Temp. Alarm
Pause work while leaving the chiller running to heat the water.
Drain a portion of the cold water and add warmer water or laser-safe
antifreeze. (Do not use water above 45
℃
.)
Contact customer service for information on checking the wiring for the
chiller’s water temperature sensor.
E4
Ambient Temp.
Sensor Error
Contact customer service for information on checking the wiring for the
chiller’s ambient temperature sensor.
E5
Water Temp.
Sensor Error
Contact customer service for information on checking the wiring for the
chiller’s water temperature sensor.
E6
Low Water
Flow Alarm
Check the water pipes for any bubbles, obstructions, or kinks. Carefully
clear them and straighten the hoses.
Check the chiller’s F10 alarm setting. Restore it to 0.5 dL/min. if it has
been mistakenly set any lower.
Contact customer service for information on safely clearing other
blockages &/or checking the wiring for the flow sensor.
E7
Water Pump
Alarm
Check the chiller and engraver’s electrical connections.
Check the chiller and engraver’s power supply for any irregular voltage
or current.
Contact customer service for information on other electrical tests and/or
checking the wiring for the pump sensor.
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