Specifications

BARTINGTON INSTRUMENTS
Page 9 of 12 M2240 ISSUE 1
Troubleshooting
The Mag639 is unlikely to suffer any defects in normal use: no internal components are serviceable. The
most likely causes of failure, and their solutions, are detailed in the following table:
Cause of failure Solution*
Power Supply Check the power supply as detailed in Pre-
Installation Tests Check the power.
Cables Check the cables as detailed in Pre-Installation
Tests Test the cables.
Power Input If no fault can be found in the power supply or
cables, ensure the cable length is not too long,
causing excessive voltage drop between the power
supply and magnetometer. Refer to the
specifications defined in the datasheet
Magnetometer No physical damage to the Mag639 can be
repaired. Replace with a new unit. For information
about disposal of the damaged unit, refer to
End of
Life Disposal.
* To discuss solutions and repair procedures email: [e-mail] or telephone the Bartington
Instruments service team on [phone].