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The way to check about no laser

Views:25     Author:Site Editor     Publish Time: 2019-04-24      Origin:Site

 The way to check about no laser

1. Check the laser power

test the “L” and “N” pin on the laser power by the multimeter, whether it shows 220V voltage

 


2. Whether the water flow is unobstructed. The pipes can't be connect inversed.

"WATER INLET" connect the water pump

   

3. Check the water protection(the most possible problem)

Ensure the normal flow before Short circuit between "WP" and "G"

1. have laser : maybe the switch of the water protection is broken or the water flow is obstructed

2. no laser : continue to the next step

 

4. Check the laser power

Short circuit between "TL" 、"G" and "WP", meanwhile, short circuit between "IN" and "5V"

1. have no laser : Check the laser tube, whether it ruptures anomaly. If the laser tube is good, maybe the laser power is broken.

2. have laser : continue to the next step

 

5. Check the mainboard

test the “L” and “0V” pin on the mainboard by the multimeter  

When press the laser key which on the control panel, the multimeter shows 0V voltage. Otherwise, it shows 5V voltage.

6. 

 

1). adjust to “hand “model

2). test the “AIN” and “0” pin on the laser power .by the multimeter. Follow the picture. turn rotate the knob.

If your main board is well worked the voltage will be “0v-5v”.

 


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