Hitachi CR22G/CR21G Error Codes

7 codes from page 55 of the manual

This is the list of alarm codes the Hitachi manual gives for the CR22G/CR21G high-speed refrigerated centrifuge. Find your code below and open it for what the manual says about its causes and what to do.

Alarm codes from p. 55

CodeWhat it meansPage
POWER A power failure occurred while the rotor was spinning and the speed decreased by 300 rpm from the set speed. If the rotor is rotating at 250 rpm or more when the power is restored, the centrifuge will accelerate again or decelerate if the speed is less than 250 rpm. p. 55
ROTOR Rotor is not properly secured to the drive spindle. p. 55
TEMP TEMP display shows a temperature over 50°C, or a temperature lower or higher than the set temperature more than 20°C. p. 55
DOOR START key is pressed with the door opened, or the door handle is released while the rotor is rotating. p. 55
SPEED Rotor speed is set higher than the maximum allowable speed p. 55
E11 The centrifuge has a problem requiring maintenance by service personnel. p. 55
E63 The centrifuge has a problem requiring maintenance by service personnel. p. 55

Codes and descriptions are taken from the manufacturer’s manual; page numbers link to the PDF. ManualLib is not affiliated with Hitachi. Found a mistake? Report an error.