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Phone: +86 16626708626Description
Key Technical Specifications
- Model: C301002A E526.1A.
- Brand: STEIN SOHN.
- Product type: Control panel assembly.
- Application: Vista Refrige control panel.
- Identification: Exact marking includes both C301002A and E526.1A.
- Condition: New Surplus.
- Availability note: Limited stock is common for this type of legacy panel.
- Compatibility note: Confirm connector layout, panel revision, and site wiring before installation.
- Replacement note: Use the exact model string when sourcing a direct replacement.
Product Introduction
STEIN SOHN C301002A E526.1A is a control panel assembly used in Vista Refrige equipment and related industrial control applications. The exact model marking matters here because buyers usually need a part-for-part replacement, not a look-alike panel.
This unit is typically chosen to restore a failed control interface without changing the rest of the system. Verify wiring, connector position, and revision details before install, since a close visual match can still fail on pinout or configuration.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Panel is dark on power-up | Missing supply, blown fuse, or upstream power fault | ❌ Low | Measure supply voltage at the panel terminals with a multimeter | Check the power path before replacing the panel |
| Display or indicators behave incorrectly | Internal fault or revision mismatch | ✅ High | Compare startup behavior and label details against the old unit | If power is correct and behavior is still wrong, replacement is likely |
| Equipment does not respond to panel commands | Wiring issue, connector mismatch, or external controller fault | ❌ Low | Inspect terminal connections and continuity back to the main control | Verify the external system before ordering another panel |
| Panel works intermittently | Loose connector, oxidation, or vibration damage | ✅ Medium | Reseat connectors and inspect for corrosion or heat damage | Clean and retest before condemning the assembly |
| Unit fails after a swap | Wrong revision, jumper setting, or pinout difference | ✅ High | Match the old panel’s tag, jumpers, and cable positions exactly | Recheck the original configuration before installation |
| System shows no change after button input | Fault outside the panel or bad interface wiring | ❌ Low | Test the control signal path and adjacent modules | Do not assume the panel is the only failure point |
Contact technical support with photos of the label, connector side, and any diagnostic logs if the fault is still unclear.
- C301002A E526.1A
- C301002A E526.1A
Frequently Asked Questions
Q: Is this the exact replacement for C301002A E526.1A?
A: It matches the exact model string, which is the first thing to verify. Still confirm revision, connector layout, and wiring before installation because similar panels can differ in small but critical ways.
Q: Is this new or used stock?
A: This is listed as New Surplus. That usually means unused inventory from excess stock, not factory-sealed retail packaging.
Q: Can I install it without reprogramming anything?
A: Often yes, but only if the panel is truly identical and the site settings are unchanged. Take photos of the original jumpers, connectors, and labels before removal so you can mirror the setup.
Q: Why is surplus cheaper than factory-new?
A: Because it comes from excess inventory instead of current OEM production. The lower price is good, but you still need to verify condition, compatibility, and any cosmetic wear before purchasing.
Q: What usually causes this kind of panel to fail?
A: In practice, it is often not the panel itself. Power issues, connector problems, and external control faults are common, so check the supply and wiring first.
Q: Is there a warranty?
A: Warranty depends on the seller and stock condition. For legacy industrial panels, a written warranty term matters more than a vague promise, so confirm it before you issue the order.
Q: What is the main installation risk?
A: The main risk is a mismatch between the old and new unit. ❗Do not wire from memory. Confirm the exact label, connector orientation, and configuration before power-up.
