info Dixell

Status nP

No parameters in Level 1 — there are no user-level parameters available.

? What Causes This

Normal condition when no parameters have been assigned to the first user level.

What This Means

Continue holding SET and AUX keys until L2 message appears to access hidden menu parameters.

Source: page 1 of the official manual

From the manual

Manual page 1 — Dixell error nP

This error code appears in:

Dixell XR06CX Temperature Controller