Applicable Products
- QNAP NAS running with QTS or QuTS Hero system
Scenario
If your QNAP NAS suddenly becomes inaccessible and the Status LED is flashing green, the NAS may still be booting, may have lost its system configuration, or may be stuck because of a software, firmware, firewall, or application issue.
Note
If the Status LED is flashing red and green alternately, the NAS may be performing an important operation such as disk formatting, firmware update, RAID rebuilding, or capacity expansion.
What does a flashing green Status LED mean?
A green Status LED flashing every 0.5 seconds may indicate one of the following conditions:
| Possible condition |
Description |
| System is booting up |
The NAS is still in the boot process and has not fully loaded. |
| System is not configured or disks are not formatted |
The system configuration may be missing, or the NAS may appear to be in an initial setup state. |
| System is stuck or has crashed |
The NAS may be unable to respond to network connections because of software, firmware, firewall, or application failure. |
Solution
Step 1: Search for the NAS using Qfinder Pro
Do not rely only on a browser bookmark or an old IP address. After a restart, the router may assign a different IP address to the NAS.
- Install Qfinder Pro on a computer connected to the same local network as the NAS.
- Use Qfinder Pro to search for the NAS.
- Check the result:
- If Qfinder Pro finds the NAS, check the displayed status.
- If it shows that the system is not initialized, the system configuration may have been lost.
- If it appears normal, try opening or logging in to the NAS through Qfinder Pro.
- If Qfinder Pro cannot find the NAS, continue to Step 2.
Step 2: Perform a 3-second soft reset
A 3-second reset may help if QuFirewall blocked your computer or if the NAS network settings were changed unexpectedly.
- Keep the NAS powered on.
- Use a paper clip or similar tool to press and hold the Reset button on the back of the NAS for 3 seconds.
- Release the button immediately after you hear one beep.
- Use Qfinder Pro again to search for the NAS.
This reset does not delete the data stored on the disks. Based on the provided notes, it resets the administrator password to the default value, changes the system IP configuration back to DHCP, and disables the firewall.
Note
What is the default system administrator password for my NAS?
Step 3: Boot the NAS without disks
This test helps determine whether the issue is caused by disk failure, system partition damage, or NAS hardware failure.
Warning
Before removing the disks, label each disk slot clearly, such as Disk 1, Disk 2, and so on. The disks must be inserted back in the original order.
- Power off the NAS.
- Pull out all disk trays enough to disconnect the disks. You do not need to fully remove the disks from the trays.
- Power on the NAS without any disks installed.
- Wait and observe the boot process:
- After about 1 to 2 minutes, you should hear one short beep.
- After another 3 to 5 minutes, you should hear one long beep.
- The Status LED should become solid green or show the expected boot-complete LED state.
- Open Qfinder Pro and search for the NAS.
Interpret the result
| Result |
Meaning |
Next action |
| Qfinder Pro finds the NAS and shows that disks are not installed or the system is not initialized |
The NAS hardware is likely working. The issue may be related to the system partition or disks. |
Powering off the NAS, insert the original disks back one by one in the original order. Powering on NAS. Wait several minutes for Qfinder Pro to detect the system. |
| The NAS still flashes green without disks, does not beep, and cannot be found by Qfinder Pro |
The NAS motherboard, RAM, or built-in boot DOM may be damaged. |
Contact QNAP support for repair service. |
Further Reading
適用產品
- QNAP NAS running with QTS or QuTS Hero system
情境
如果您的 QNAP NAS 突然無法存取，且狀態 LED綠燈閃爍，可能表示 NAS 仍在開機中、系統設定遺失，或因軟體、韌體、防火牆或應用程式問題而卡住。
注意
如果狀態 LED 紅綠燈交替閃爍，可能表示 NAS 正在執行重要操作，例如磁碟格式化、韌體更新、RAID 重建或容量擴充。
綠燈閃爍的狀態 LED 意味著什麼？
每 0.5 秒閃爍的綠燈狀態 LED 可能表示以下情況之一：
| 可能的情況 |
說明 |
| 系統正在開機 |
NAS 仍在開機過程中，尚未完全載入。 |
| 系統未配置或磁碟未格式化 |
系統配置可能遺失，或 NAS 可能顯示為初始設定狀態。 |
| 系統卡住或崩潰 |
因軟體、韌體、防火牆或應用程式故障，NAS 可能無法回應網路連線。 |
解決方案
步驟 1：使用 Qfinder Pro 搜尋 NAS
不要僅依賴瀏覽器書籤或舊 IP 位址。重新啟動後，路由器可能會分配不同的 IP 位址給 NAS。
- 在與 NAS 連接到同一個本地網路的電腦上安裝Qfinder Pro。
- 使用 Qfinder Pro 搜尋 NAS。
- 檢查結果：
- 如果 Qfinder Pro 找到 NAS，請檢查顯示的狀態。
- 如果顯示系統未初始化，可能表示系統配置已遺失。
- 如果顯示正常，嘗試透過 Qfinder Pro 開啟或登入 NAS。
- 如果 Qfinder Pro 找不到 NAS，請繼續進行步驟 2。
步驟 2：執行 3 秒軟重置
如果 QuFirewall 阻擋了您的電腦或 NAS 網路設定意外更改，3 秒重置可能會有所幫助。
- 保持 NAS 電源開啟。
- 使用迴紋針或類似工具按住 NAS 背面的重置按鈕 3 秒。
- 聽到一聲嗶聲後立即鬆開按鈕。
- 再次使用 Qfinder Pro 搜尋 NAS。
此重置不會刪除磁碟上的資料。根據提供的說明，它會將系統管理員密碼重置為預設值，將系統 IP 配置改回 DHCP，並停用防火牆。
註
我的 NAS 的預設系統管理員密碼是什麼？
步驟 3：不插入磁碟啟動 NAS
此測試有助於判斷問題是否由磁碟故障、系統分割槽損壞或 NAS 硬體故障引起。
警告
在移除磁碟之前，請清楚標記每個磁碟槽，例如磁碟 1、磁碟 2 等。磁碟必須以原始順序插回。
- 關閉 NAS 電源。
- 拉出所有磁碟託盤，足以斷開磁碟連線。您不需要完全從託盤中取出磁碟。
- 在未安裝任何磁碟的情況下啟動 NAS。
- 等待並觀察啟動過程：
- 大約 1 到 2 分鐘後，您應該會聽到一聲短嗶聲。
- 再過 3 到 5 分鐘後，您應該會聽到一聲長嗶聲。
- 狀態 LED 應變為穩定的綠色或顯示預期的啟動完成 LED 狀態。
- 打開 Qfinder Pro 並搜尋 NAS。
解釋結果
| 結果 |
意義 |
下一步行動 |
| Qfinder Pro 找到 NAS 並顯示未安裝磁碟或系統未初始化 |
NAS 硬體可能正常工作。問題可能與系統分割槽或磁碟有關。 |
關閉 NAS 電源，將原始磁碟按原始順序逐一插回。啟動 NAS。等待數分鐘讓 Qfinder Pro 偵測系統。 |
| NAS 在沒有磁碟的情況下仍閃爍綠燈，不發出嗶聲，且無法被 Qfinder Pro 找到 |
NAS 主機板、RAM 或內建啟動 DOM 可能損壞。 |
聯絡 QNAP 支援以獲得維修服務。 |
進一步閱讀
