Siemens · PLC I/O / Comms Module

6ES7331-1KF02-0AB0 Siemens SIMATIC S7-300

Yes. Star Automations has 1 unit of Siemens 6ES7331-1KF02-0AB0 (SIMATIC S7-300) in stock in India, condition: New in box (as listed). Ask for a quote on WhatsApp +91 97866 22233 or at starautomations.com. We ship across India, support customers from Pondicherry, Chennai, Bengaluru and Hyderabad, and also repair this family.

In stock in IndiaNew in box (as listed)1 unitLast counted: Oct 2026

WhatsApp for a quote Request a quote Call +91 97866 22233

01Key facts

6ES7331-1KF02-0AB0 at a glance

Part number	6ES7331-1KF02-0AB0
Also written as	6ES73311KF020AB0, 6ES7 331-1KF02-0AB0
Brand	Siemens
Family	Siemens SIMATIC S7-300
Category	PLC I/O / Comms Module
Condition	New in box (as listed)
Quantity band	1 unit
Ships from	India (Star Automations stock)
Invoice	GST invoice
Price	On request

02Specifications

Specifications

Full specifications on request (we share the nameplate photo).

03Fault codes

Common fault codes for this family

Common codes published for this family (check your manual). Wording can vary by firmware and version.

Code or symptom	First check
SF (group fault) LED red	Read the diagnostic in the OEM software and check the supply, wiring and seating of the module.
BF (bus fault) LED	Read the diagnostic in the OEM software and check the supply, wiring and seating of the module.
read the CPU diagnostic buffer	Read the diagnostic in the OEM software and check the supply, wiring and seating of the module.

Need it repaired instead? See the next section.

04Repair

Need it repaired instead?

Repair your faulty 6ES7331-1KF02-0AB0

Send us your faulty 6ES7331-1KF02-0AB0. Our bench repairs Siemens SIMATIC S7-300 at component level and returns it with a test report. See a sample test report.

Repair options Ship it to Star

05Training

Train your team on Siemens SIMATIC S7-300

Train your maintenance team on Siemens SIMATIC S7-300 faults: hands-on and remote troubleshooting sessions built on 25+ years of bench repair. Your team stays in charge; we make it stronger.

Engineer training at Star Automations

06Migration

Planning to move off Siemens SIMATIC S7-300?

Siemens names S7-1500 as the S7-300 successor.

Obsolete and legacy spares

07Quote

Request a quote for 6ES7331-1KF02-0AB0

Price on request. The quote states warranty terms and dispatch timing. Prefer chat? WhatsApp +91 97866 22233.

08FAQ

6ES7331-1KF02-0AB0 — common questions

Is 6ES7331-1KF02-0AB0 in stock in India?

Yes. Our stock records list 1 unit of Siemens 6ES7331-1KF02-0AB0, condition: New in box (as listed). Last counted: Oct 2026. Stock can change, so confirm on WhatsApp +91 97866 22233 before you order. We ship across India.

What condition is it in?

New in box (as listed). We state the condition exactly as listed and do not describe a part as better than it is. Warranty terms are stated on the quote, and a nameplate photo is shared on request.

Can you test it before dispatch?

Yes, a bench check is available on request; tell us when you ask for the quote. Our bench has an oscilloscope, electronic load tester, LCR meter and hi-pot tester, used as the part type needs. The test details are shared with the quote.

Do you give a GST invoice?

Yes. Every sale carries a GST invoice. Send your company name and GSTIN with the quote request so that the invoice matches your records. Price is on request and is shared with the quote.

Can you repair my faulty 6ES7331-1KF02-0AB0 instead?

Yes, where repair is practical. Our bench repairs Siemens SIMATIC S7-300 at component level and returns the unit with a test report. WhatsApp the fault first for an opinion, or ship the unit to Star Automations.

What does SF (group fault) LED red mean on Siemens SIMATIC S7-300?

SF (group fault) LED red is listed among the common codes published for this family; wording can vary by firmware, so check your manual. First check: Read the diagnostic in the OEM software and check the supply, wiring and seating of the module. If the unit still faults, send it to us for repair.

ISO 9001:2015 certified (Puducherry) · Refurbishment authorisation from the Puducherry Pollution Control Committee · 25+ years · Pondicherry, Chennai, Bengaluru, Hyderabad

Brand names and part numbers belong to their owners and are used only to identify parts. Star Automations is an independent supplier and repairer.