Coherent, Inc. Coherent brand DUO Diode Laser Systems. A Non-medical, class IV industrial materials processing machine. The following Model---Serial Numbers (S/N) are affected: P/N 1024403---S/Ns 10026 Through 10088; P.V. -4240/4475---S/Ns 2, 7, 3053, and 10002 through 10024; and P. V. -4458 S/Ns 10019, 10019, 10020, 10043, and 10052. Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Coherent brand DUO Diode Laser Systems. A Non-medical, class IV industrial materials processing machine. The following Model---Serial Numbers (S/N) are affected: P/N 1024403---S/Ns 10026 Through 10088; P.V. -4240/4475---S/Ns 2, 7, 3053, and 10002 through 10024; and P. V. -4458 S/Ns 10019, 10019, 10020, 10043, and 10052.
Brand
Coherent, Inc.
Lot Codes / Batch Numbers
The following Model---Serial Numbers (S/N) are affected: P/N 1024403---S/Ns 10026 Through 10088, P.V. -4240/4475---S/Ns 2, 7, 3053, and 10002 through 10024, and P. V. -4458 ¿ S/Ns 10019, 10019, 10020, 10043, and 10052.
Products Sold
The following Model---Serial Numbers (S/N) are affected: P/N 1024403---S/Ns 10026 Through 10088; P.V. -4240/4475---S/Ns 2, 7, 3053, and 10002 through 10024; and P. V. -4458 ¿ S/Ns 10019, 10019, 10020, 10043, and 10052.
Coherent, Inc. is recalling Coherent brand DUO Diode Laser Systems. A Non-medical, class IV industrial materials processing mach due to Software problem that may cause unintended emission of laser radiation.. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
Software problem that may cause unintended emission of laser radiation.
Recommended Action
Per FDA guidance
On 1/19/04, the firm initiated the recall and their notification was via letters informing its customers of the corrective action.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticeDistribution
As reported by FDA
IN, NC
Page updated: Jan 10, 2026