Cummins/Onan 1750DQKB / 3200 Series — Genset Ammeter Display Calibration (B)
Testing & diagnosis · Current transformer / display
For the Cummins/Onan 1750DQKB / 3200 Series, from the Cummins/Onan service manual.
Applies to: Cummins/Onan 1750DQKB, Cummins/Onan DFE
Procedure
- Display the Current Calibration submenu.
- With the genset OFF, attach a calibrated ammeter to L1.
- Start the genset and allow it to reach normal operating speed.
- Load the genset to maximum rated kVA at rated voltage.
- Calibrate the reading for L1 current so the display agrees with the calibrated ammeter.
- Repeat steps 2 through 5 for L2 and L3.
- Exit menu to save changes.
Tools required
- calibrated ammeter Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Cummins/Onan 1750DQKB →, Cummins/Onan DFE →
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.