Hitachi BD-D120GV device hub
Use this device hub to troubleshoot Hitachi BD-D120GV (Washing Machine). Start with the most common codes and compare the published fix paths before opening parts.
Try E2, temperature, or won’t start.
Open the highest-signal error pages for this device first when you already know the code family.
Let the published patterns narrow you into the right branch before you open parts or call support.
Use the full code directory when the display is clear and you want the exact route fast.
Most common error codes
Start here when you want the shortest path from this device hub to the exact troubleshooting page.
Hitachi BD-D120GV error code C42 means failed to update the machine software. This guide explains the likely c
Hitachi BD-D120GV error code C20 means drum does not rotate. This guide explains the likely causes, the safest
Hitachi BD-D120GV error code C09 means the door will not unlock. This guide explains the likely causes, the sa
Hitachi BD-D120GV error code C06 means drying time over (Tub Wash is off). This guide explains the likely caus
Hitachi BD-D120GV error code C02 means no water drain. This guide explains the likely causes, the safest first
Hitachi BD-D120GV error code C01 means no water supply. This guide explains the likely causes, the safest firs
Hitachi BD-D120GV error code C30 means water flows out from drain hose while washing. This guide explains the
Hitachi BD-D120GV error code C19 means capacity over. This guide explains the likely causes, the safest first
Need more help with this model?
Use the exact error page when you know the code. Otherwise stay in this device hub to compare the most likely routes first, then branch into the fix that matches the symptom.
This panel stays shared across all products. Optional device links only appear when profile data exists.
Common troubleshooting themes
These patterns are derived from the currently published fixes for this model and help you pick the right route faster.
Recently updated fixes
Fresh pages first — useful when you’re troubleshooting right now.
Hitachi BD-D120GV error code C42 means failed to update the machine software. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Hitachi BD-D120GV error code C42 means failed to update the machine software. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Hitachi BD-D120GV error code C30 means water flows out from drain hose while washing. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Hitachi BD-D120GV error code C20 means drum does not rotate. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Hitachi BD-D120GV error code C20 means drum does not rotate. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Hitachi BD-D120GV error code C19 means capacity over. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Hitachi BD-D120GV error code C18 means cannot spin (no drain or many bubbles). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
Hitachi BD-D120GV error code C09 means the door will not unlock. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
All error codes
Pick your code to open the fix page, or use the main search to filter by symptom or keyword.
About this device hub
If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).
Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.