Wuhan Raycus Fiber Laser Technologies CO., Ltd.
P20QB/P30QB
Pulsed Fiber Laser User’s Guide V2.1
8
stronger, otherwise shut down the device and check. If operating normally, the
marking system can be used in common order afterwards.
4.3
Cautions
a)
Marking frequency must be in the range of 20 kHz
～
60 kHz (P20QB), or 30 kHz
～
60kHz (P30QB).
b)
It should not modulate the frequency while marking.
c)
Stop marking first before shutting down the device, then turn the power down to zero
and cut the power off.
5.
Instructions for warranty, return and maintenance
5.1
General warranty
All products are warranted by Raycus against defects and problems in materials and
workmanship during the warranty period according to the purchase order or specifications and
we guarantee the product will accord with the specification under normal use.
Raycus has the right to choose to repair or replace any product that proves to be defective in
materials and workmanship selectively during the warranty period. Only products with particular
defects are under warranty. Raycus reserves the right to issue a credit note for any defective
products produced in normal conditions.
5.2
Limitations of warranty
The warranty does not cover the maintenance or reimbursement of our product of which the
problem results from tampering, disassembling, misuse, accident, modification, unsuitable
physical or operating environment, improper maintenance, damages due to excessive use or not
following the instructions caused by those who are not from Raycus. Customer has the
responsibility to understand and follow this instruction to use the device. Any damage caused by
fault operating is not warranted. Accessories and fiber connectors are excluded in this warranty.
According to the warranty, client should write to us within 31 days since the defect is discovered.
This warranty does not involve any other party, including specified buyer, end-user or customer
and any parts, equipment or other products produced by other companies.
5.3
Service and repairs
Raycus is responsible for all the maintenance, for there is no accessory available inside for
users to use. Please contact Raycus as soon as possible when problems under warranty about
maintenance happen to the product. The product returned with permission should be placed in a
