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wifi_connect_fail
Easy Fix
Anycubic · FDM 3D Printers
WiFi Module Cannot Connect to Wireless Network
Quick Answer
Error code WIFI_CONNECT_FAIL on your Anycubic FDM 3D Printers means: WiFi Module Cannot Connect to Wireless Network. This is usually fixable — see the step-by-step guide below.
Likely Causes
  1. Incorrect WiFi password entered on the printer
  2. WiFi signal too weak at the printer location
  3. Router is using an incompatible WiFi band (5GHz only, printer needs 2.4GHz)
  4. WiFi module on the mainboard has a hardware fault
  5. Too many devices on the network causing connection rejection
How to Fix It
1
Re-enter the WiFi credentials on the printer, carefully checking the password
2
Verify the router is broadcasting a 2.4GHz network (most printer WiFi modules do not support 5GHz)
3
Move the printer closer to the router or add a WiFi range extender
4
Restart both the printer and the router
5
Try connecting to a mobile hotspot to isolate whether the issue is the printer or the router
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
WiFi range extender (2.4GHz)
Replacement WiFi module (if hardware fault)
Related Error Codes
THERMAL_RUNAWAYHEATING_FAILEDBED_THERMALHOMING_X_FAILHOMING_Y_FAIL
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