OPERATION MICRO-TEMP
®
LT, Model 749
OPERATION AND TECHNICAL MANUAL
Page 30 of 75
This indicator condition occurs when a power failure is detected.
When this occurs, the red “Power Failure/Caution” LED flashes and
an audible indicator sounds. This continues until power is restored
to the unit, or until the power switch is turned to the “O” (OFF)
position. If power is restored to the unit, the unit will resume
previous operation.
This indicator condition occurs when the actual water temperature is
1°C (2˚F) greater than the set point temperature. When this occurs,
the display flashes the actual water temperature, an audible
indicator sounds 2 beeps while flashing the red “Power
Failure/Caution” LED, and the heater shuts off. If the water
temperature does not return to set point after 9 minutes, the 2 beep
audible indicator will again sound and the red “Power
Failure/Caution” LED will again flash. The actual water temperature
will continue to flash until the water temperature returns to the set
point.
Note: Check pad connections if this indicator occurs.
This indicator condition occurs when the unit is low on water. When
this occurs, the yellow “Low Water” LED illuminates and the pump
and heater shut off. Once sufficient water level is obtained the unit
returns to previous operation.
This indicator condition occurs when the unit has tilted beyond
approximately 20˚ in any direction. When this occurs, an audible
indicator sounds, the red “Power Failure/Caution” LED flashes, and
the heater and pump shut down. Once the unit returns to an
acceptable operating angle, the unit returns to previous operation.
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