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3. Key Technical Specifications
- Manufacturer: Gutor
- Part Number: 0P1922A
- Alternate Number: 640‑4054 Rev07 (common control‑board variant)
- Application: PCB controller – “Parallel Operating A024” in UPS / SDC
- Mounting Position: Typically A024 slot in Gutor PDW / PEW / SDC UPS
- Function: Coordinates parallel operation of rectifier/UPS modules
- Compatibility Family: Gutor PDW 3010‑220/400‑EAN‑R and similar SDC‑based UPS systemsnew.
- Supply Status: Discontinued by OEM, often sold as new‑surplus
- Physical Form: PCB / plug‑in board, not a standalone power module
- Condition Expectation: New‑original or open‑box, without active firmware updates from OEM
4. Product Introduction
Gutor 0P1922A is a dedicated PCB controller for parallel operation (A024) in Gutor PDW and SDC‑type UPS systems. It sits in the control rack and manages how multiple rectifier or UPS modules share the load, so it is critical for sites running redundant or parallel UPS strings.
Buyers typically grab this board when they need a direct‑fit replacement in A024 or when OEM spares are no longer available. Because the part is listed as obsolete, the exact mechanical and electrical match matters more than software‑level flexibility; always confirm the slot position and board revision before ordering.
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Paralleled modules drop out or drift unevenly | Configuration mismatch, wrong board position, or failed controller | ✅ High | Check unit configuration in the UPS software and confirm board is in A024 | Replace only with the exact 0P1922A variant if parameters are correct |
| UPS refuses to parallel modules | Wrong board revision or firmware drift | ✅ High | Compare board label and revision on‑site | Use a board with the same revision to avoid protocol issues |
| No fault on board, but checks on other modules (rectifiers, inverters) | Foreign‑fault condition, not the controller | ❌ Low | Check LED status and alarms on rectifier and inverter boards | Do not replace 0P1922A until those are ruled out |
| Random paralleling faults after a swap | Electrical or grounding issue on the backplane | ✅ Medium | Inspect connector pins and grounding strap continuity | Check for loose connectors or damaged guide rails before assuming a bad board |
| System runs fine on single‑module mode but faults in parallel | This board or its configuration is the likely culprit | ✅ High | Temporarily run in single‑module mode and verify alarms | If the board is confirmed, swap with the same‑spec 0P1922A and keep the old one for diagnostics |
If the issue persists, send photos of the board label, slot position, and the UPS alarm log to technical support.
- 0P1922A
- 0P1922A
6. Frequently Asked Questions
Q: Is 0P1922A still in production with Gutor?
A: No. This board is listed as discontinued in reseller stock and bid documents, so it is only available from surplus or used‑stock channels.
Q: Can I use a different 0P___ board in place of 0P1922A?
A: Not without risk. Each 0P‑series board in A024 is tuned for a specific parallel‑operation profile. Use only the exact 0P1922A match unless the OEM explicitly lists a cross‑reference.
Q: Is this board new or refurbished?
A: In the market, 0P1922A normally ships as new surplus or open‑box. If your listing is selling it as these levels, be very clear that it is not a factory‑remanufactured board.
Q: Why is this board so expensive?
A: Because it is obsolete and availability is limited, not because it has higher specs. The price reflects scarcity and demand in legacy PDW/SDC systems.
Q: Can I hot‑swap this controller in a live UPS?
A: No. Remove power from the rack, lock out the supply, and confirm the backplane is discharged. Hot‑swapping a controller in a UPS can cause bus faults or module lock‑outs.
Q: Will my parallel configuration survive a swap?
A: Only if the board doesn’t store unique parameters. Document the rectifier and UPS settings before removal and re‑apply them on the new 0P1922A. If the board is tied to specific firmware, match the revision exactly.
Q: What should I check before ordering 0P1922A?
A: Take a photo of the existing board label, note the slot position (A024), and confirm the UPS model (e.g., PDW 3010‑220/400‑EAN‑R). Small slot or revision mismatches can cause long downtime; it’s better to double‑check than to guess.
