TOBWOLF 12V 5A Netzteil Adapter 60W, AC100-240V DC Netzteil mit EU Stecker | AC 100-240V bis DC 12 Volt Ladegerät Transformator für LCD, TFT Monitor Power Supply Radiowecker, Externe Festplatte — Error codes & fixes
Troubleshooting guide for the TOBWOLF 12V 5A Netzteil Adapter 60W, AC100-240V DC Netzteil mit EU Stecker | AC 100-240V bis DC 12 Volt Ladegerät Transformator für LCD, TFT Monitor Power Supply Radiowecker, Externe Festplatte. Diagnose an error code and find the fix.
Drive failed / degraded
drive-failedA drive in the array has failed or the volume is degraded, risking data loss.
Source: Synology Knowledge Center — error codes
Confidence: 90%
Verified Aug 9, 2026
NAS beeping
beepingThe NAS beeps to alert a problem, such as a failed drive, a degraded pool, or a fan fault.
Source: Reddit r/synology — NAS beeping & drive failure
Confidence: 85%
Verified Aug 9, 2026
NAS not accessible
not-accessibleThe NAS is unreachable on the network, often from a network issue or a hung service.
Source: Synology Knowledge Center — error codes
Confidence: 80%
Verified Aug 9, 2026
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