Fault code

INVT GD270 Dr Dry pumping fault

Diagnostic context

What Dr means on INVT GD270

Dr is the dry pumping fault. The manufacturer associates it with motor current falling below the configured current limit for dry pumping.

Operating context: Check the pumping condition for dry pumping. The manufacturer table identifies the low motor-current threshold as the condition associated with this fault.

This diagnostic context is an editorial explanation. The possible causes and recommended checks below are the verified manufacturer troubleshooting content.

Possible causes

  • The current is lower than the current limit for motor dry pumping.

Recommended checks and actions

  • Check for dry pumping.

Technical source

INVT GD270 Manual EN - Fault Dr — page 283