ALARM-04 on NikMann edgebanders

🔍 What Does ALARM-04 Mean?

The PLC continuously monitors the incoming air pressure using a pressure switch. If the pressure falls below 0.5 MPa, the controller immediately stops machine operation and displays Alarm-04.

This safety feature prevents:

• Pneumatic cylinders from failing to complete their stroke

• Pressure rollers from operating incorrectly

• Trimming units from malfunctioning

• Glue station failures

• Unexpected machine damage

⚠️ Why Proper Air Pressure Is Important

NikMann edge banders use compressed air to operate numerous pneumatic components, including:

• End trimming unit;

• Fine trimming unit;

• Guilotine;

• Corner rounding unit;

• All phneumatic cylinders.

📞 Call Forza Machinery today to book your edgebander for service
📍 Servicing Melbourne, Victoria & Australia-wide support
🔧 Preventative maintenance & emergency repairs available

✅ Common Causes of Alarm-04

1. 1. Air Compressor Is Switched Off

   • The simplest cause is that the compressor is not running. Check: Compressor pressure gauge

2. 2. Compressor Pressure Is Too Low

   • Many compressors are set incorrectly or require more time to build pressure. If the compressor pressure is below 6 bar, wait until it reaches operating pressure.

3. 3. Air Hose Is Disconnected

   • Inspect the air supply hose between the compressor and the edge bander.

4. 4. Air Filter Regulator Is Set Too Low

   • Every NikMann edge bander includes a filter regulator assembly. Check the regulator gauge.

5. 5. Air Leak

   • Air leaks are among the most common causes of pressure loss. Listen carefully for escaping air.

6. 6. Faulty Pressure Switch

   • If the machine has sufficient pressure but still displays Alarm-04, the pressure switch may have failed.

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   STEP 1

   Listen carefully for escaping air.

   Inspect: Pneumatic fittings, Air tubing, Cylinders, Solenoid valves, FRL unit, Quick connectors.

   

   STEP 2

   Check the machine air regulator.

   Adjust pressure between: 0.6–0.8 MPa. Drain water from the air filter. Clean or replace the filter element.

   

   STEP 6

   Reset ALARMS by pressing the button on a screen.

   If your machine still have a problem , please call : 1300 4 FORZA