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error Bosch
Error Code E1338
Supply voltage error — electrical supply voltage is too low (less than 98 volts).
? What Causes This
Insufficient electrical supply voltage.
✓ How to Fix It
- Contact a qualified electrician to check the supply voltage and electrical installation.
- This is not a dishwasher fault but an electrical installation issue.
Source: page 43 of the official manual
From the manual
This error code appears in:
Bosch SHPM65Z Dishwasher