Multitel SDTA-01, Руководство пользователя, Страница: 19 / 21

SDTA-01 5BMAINTENANCE
17
SYMPTOM POSSIBLE CAUSE
No reading, the monitoring
system indicates 0 volts on
the displays
The monitoring system analog channel is disabled (see user
manual of corresponding MPMS.
The analog channel of MPMS is not the right type. MIRADOR-
MXP2 must be SDTA and channel must be true RMS.
There is no AC voltage present at the SDTA-01 inputs.
Verify JP1, JP2 and JP3 setting for the same MPMS you are
installing (optional).
The wiring is not according to specification in the SDTA-01
connector's definition.
The SDTA-01 may be defective if all of the above possible
causes are not true (refer to MULTITEL Customer service).
The reading is erratic
The calibration is not adequate, refer to section 5.1 in this
manual.
The scaling is not adequate, refer to section 3.2 .
The ANALOG channel of MPMS is not configured as true
RMS (refer to MPMS manual).