Timeout at read request

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A read request to an I/O device or file timed out before the operation could complete, indicating that the system waited longer than the allowed period for a response. This IO_STATUS error suggests a communication issue, a slow device, or an unresponsive file system. The program will abort if the file_id is invalid.

• The I/O device or file system is slow, unresponsive, or experiencing high latency.
• Communication link issues such as damaged cables, improper termination, or network congestion.
• The timeout period for the read request is set too short for the expected operation duration.
• The file_id used does not correspond to a valid opened file, leading to an indefinite wait.

Klikk på steg for å spore fremgangen.

1. 1

   Check the responsiveness and status of the target I/O device or file system through diagnostic tools.

2. 2

   Verify communication cables, connectors, and network settings for integrity and proper termination.

3. 3

   Adjust the timeout setting for the read request in the KAREL program if the device naturally has longer response times.

4. 4

   Use the KAREL command READ file_id(cr) to clear any existing IO_STATUS error condition.