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6.5 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 (§5.5). Restore it to 38–45°C 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°C.)
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 ow 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.
In addition to these alarms, the chiller will also sound or cause alarms when the water is outside its correct
operating range, when the water level is low, or when air bubbles are present in the line. See §§3.5 and 5.5 for
details. Also note that the chiller needs good ventilation for proper functioning, including at least 5 feet (1.5 m) of
unobstructed space in front of its cooling fans.
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