[volt-nuts] Datron 1281 Repair Help

[Михаил]

M202 (DG211) switchs, pins 6-8 and 1-3.

Friday, March 21, 2014, 2:45:46 PM, you wrote:
sun> I am working on a Datron 1281 meter.
sun> DC voltage calibration at 10v functions ok, but the Internal source 
sun> calibration failed.
sun> This Meter has the following errors after Internal Source Calibration.
sun> Error codes:
sun> 2202 1KV    Range zero magnitude test   (P028).
sun> 2192 100V  Range zero magnitude test   (P021).
sun> 2162 10V    Range zero magnitude test   (P006).
sun> What would cause these errors?