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If the meter is giving an out-of-range (OR) error
message, it may be that the probe has come
unplugged from the meter. The procedure for
checking this is outlined below.
1. Remove the black nut from the strain-relief
where the cable feeds into the meter.
2. Remove the tan nut on the cable end of the
meter.
3. Ensure that the probe cable plug is firmly
connected to the socket in the meter.
4. Push the assembly onto the meter housing so the
metal pegs on the assembly line up with the
notches on the inner diameter of the meter
opening. Be sure that the small o-ring sits at the
base of the large plastic assembly.
5. While holding the assembly in place hand-tighten
the nut to the strain relief.
6. Connect and tighten the tan nut to the meter
housing.
Checking Probe
Connection
Probe plug
Larger plastic
assembly/O-ring
Strain relief
black nut
tan nut