DeWalt DWHT77100-XJ User Manual page 10

Error Codes
E
If INFO appears on the display window with a Code number, perform the corresponding Corrective Action.
Code Description
IC101 Received signal too high
IC201 Too much background light
IC302 Temperature out of range
IC303 Distance not in range or
signal too low
IC401 Battery too low for
measurements
IC505 Hardware error
IC601 Negative number
IC604 Invalid measurement for
calculation
10
Corrective Action
Target is too reflective. Use the target plate or change the
target surface.
Reduce the background light on the target area.
Allow device too warm or cool and repeat measurement
Adjust range, if within range change target surface
Recharge battery or change batteries if non‑rechargeable
Switch the device on/off several times. If error still occurs, return
device to Service Center or Distributor
Measure longer distance before shorter distance for positive result
Remeasure distances, hypotenuse must be larger than sides of
triangle