Trumeter 877 Serie Manual Del Usario página 30

Diagnostics
Caution: Performing the diagnostic tests will turn on the analog output and
operate the relays if those options are installed. First remove power from the DPM and
disconnect the outputs from any loads that should not be turned on. If the optional RS485
communication board is installed, the DPM will respond with the scaled input value to the
QST command.
Tests performed automatically when power is turned on:
30
Display test
Memory error
Calibration error
Programming error
if faulty, return to factory for repair
} return to factory for repair
}
press any key or cycle power OFF then ON
then re-program