Rev 07/04/2015
46
4.8 REPLACING THE DOOR FRAME HEATER
When a Door Frame Heater stops working, it could be a problem with the heater, such as
an open element or a short. The problem could also be an interrupted power supply. Test
the power supply before replacing the heater. Test the heater using the following
specifications:
Length 2.4 m 2 m (Heated)
Resistance 1.4 kΩ 2.4 kΩ
Current 80 mAmps 90 mAmps
To replace the heater:
Insert a thin knife blade between the edge of the plastic cover frame. You may need to tap
lightly on the knife to insert it.
Pry the strip up and out. Do this for all the strips.
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