Hitachi DT01931 Projector Lamp Compatible with HCP-FU50HM HCP-FW50HM HCP-FX55 HCP-FX55H HCP-FW50

When replacing a Hitachi projector lamp, the most time-consuming part is often not the removal and installation, but confirming the model number matches. DT01931 covers 11 Hitachi projector models. This article clearly lists the specifications, compatible models, and key points to verify.

Specifications of This Lamp

The above parameters are sourced from the Zorsika product database. For the full technical specification sheet, please contact our sales team.

Compatible Models: 11 Hitachi Projectors

The following are the verified compatible Hitachi projector models for DT01931, separated by commas:

HCP-FU50HM, HCP-FW50HM, HCP-FX55, HCP-FX55H, HCP-FW50, HCP-FW50H, HCP-FU50, HCP-FU50H, MC-WU5505, MC-F155X, MMX-FX551

Note: Projectors from the same generation often share the same lamp module. For models not listed, please contact Zorsika technical support for confirmation.

Purchasing Pitfalls: Three Key Checks

1. Verify the Nameplate Model: Open the projector lamp door and check that the model on the lamp module label matches DT01931 exactly. Some Hitachi models may have suffixes like -V or +, but the lamp module is usually interchangeable. When in doubt, take a photo of the nameplate and send it to Zorsika technical support for confirmation.
2. Confirm the Lamp Type: The same model comes in four forms: original packaged, original bare, replacement, and used. These four types differ significantly. Original bare lamps feature an original arc tube with a third-party housing and typically offer the best overall value. Be sure to specify exactly which type you want on your order to avoid disputes upon delivery.
3. Verify Physical Specifications: The reflector size (56X56D) and arc gap must match the original lamp. Any discrepancy could result in installation failure or the lamp not lighting up.

What the Zorsika PRO Series Offers You

The Zorsika PRO Series provides replacement lamp modules for DT01931 with specifications identical to the original, matching key parameters item by item. It supports project supply and bulk procurement with more controllable lead times.

• Specification Matching: Power, arc gap, and reflector size are matched item by item against original parameters
• Individual Testing: Each lamp is lit and tested before shipment, ensuring brightness and stability
• Warranty Commitment: 180-day warranty on lamps; normal use with non-artificial damage is covered by after-sales service
• Stable Supply: Supports bulk procurement and project supply

In short: if you want original quality but with greater peace of mind overall, the Zorsika PRO Series projector lamp is designed exactly for this scenario.

Note: Brightness and lifespan performance are significantly affected by projector condition, usage environment, and cooling. Zorsika does not make uniform numerical promises. We recommend testing 1-2 sample units before bulk procurement.

Routine Maintenance to Extend Lamp Life

• Clean Dust Regularly: Dust buildup on the air intake and air filter directly raises the lamp's operating temperature. In dusty environments, clean every 1-2 months; in normal office environments, every 3-6 months.
• Use Eco Mode Wisely: Prioritize eco mode in situations where brightness is sufficient to reduce the thermal load on the lamp.
• Avoid Frequent On/Off Cycles: Thermal cycling is a major cause of lamp wear. If the projector won't be used for a short time, use the shutter function instead of repeatedly cutting power.
• Shut Down Correctly: After powering off, wait for the fan to stop before disconnecting power. Cutting power while hot causes sudden cooling of the lamp, a common cause of lamp rupture.
• Reset Lamp Hours After Replacement: After installing a new lamp, be sure to reset the lamp hour counter in the menu; otherwise, the projector will continue to alarm based on the old timer.

Frequently Asked Questions

Q: My projector is not on the 11-model list above. Can I use DT01931?

A: The list represents verified models, not an exhaustive list. Hitachi projectors from the same generation often share lamp modules. Send a photo of the nameplate and original lamp label to Zorsika technical support, and we can help confirm compatibility.

Q: How do I choose between original packaged, original bare, and replacement lamps?

A: If you prioritize brightness stability and long-term reliability, the Zorsika PRO Series lamp is the top choice—it matches original parameters item by item, is individually lit and tested before shipment, delivers performance comparable to the original with greater overall peace of mind, and comes with a 180-day warranty. For standard education, business, and conference room use, the PRO Series is also the more hassle-free option overall. While other replacement lamps are cheaper, the arc tube source and quality control vary significantly, carrying a higher risk of brightness decay and shortened lifespan. They are only recommended for temporary backup machines.

Q: Why choose Zorsika PRO instead of the original?

A: The core philosophy of the Zorsika PRO Series lamp is "original parameters, self-managed quality control": power, arc gap, and reflector size are matched item by item against the original, but with an additional individual lit test before shipment and a 180-day warranty. Compared to the original, it offers greater overall peace of mind; compared to other alternatives, quality control is more consistent.

Q: What should I do if the projector shows "lamp not recognized" after replacement?

A: First, confirm whether the lamp hour reset was performed—most such prompts are caused by an uncleared timer. If the error persists after resetting, contact Zorsika technical support, and we will provide reset instructions and troubleshooting guidance for your specific model.

Q: Is there an installation tutorial for DT01931?

A: Yes. The lamp door location and removal/installation steps for these Hitachi models are essentially the same. Contact Zorsika sales to obtain illustrated or video tutorials for your specific model.

Q: How long is the lamp warranty?

A: The Zorsika PRO Series projector lamp comes with a 180-day warranty. Normal use with non-artificial damage (such as lamp rupture or abnormal early light decay) is covered by after-sales service. Brightness decay within standard ranges is considered normal wear and tear and is not covered by the warranty.

Related Search Entries

• Zorsika Technical Support Center
• Projector Brand and Compatible Model Lookup
• Projector Lamp / Lens / Air Filter Product Library

Purchase Inquiries

For consultation on Hitachi DT01931 solutions, bulk pricing, or the complete compatible model list, please contact us through the following channels:

• Website: www.zorsika.com
• Phone: 0086-20-38551187
• Email: sales@zorsika.com
• Business Hours: Monday to Friday, 9:00-18:00

The lamp module models, specifications, and compatible model data in this article are sourced from the Zorsika product database. Data is continuously updated; final confirmation is subject to actual inquiry.