5
NOMENCLATURE
Hydrocollator® Heating Units
WHITE LAMP,
when illuminated, indicates that main power is connected, the switch is on and
unit is operating .
RED LAMP (M-4 units),
when illuminated, warns of an overheat/low water condition . Action is
necessary to correct the condition .
IMPORTANT:
Some models (M-4 units) are fitted with a thermal cut-out thermostat which
acts as a “non self-resetting” thermal cut-out . In the unlikely event of a fault condition, this
device is designed to open the power circuit between 180° F to 185° F (82° C to 85° C) . It
is not possible to alter its operating range . The operation of the unit may be restored by
depressing the red button after the water/element temperatures have been allowed to cool .
If the fault condition persists, please contact DJO, LLC or an authorized agent .
White Lamp
Red Lamp
