Brand: SHARP
Category: Home Appliances
Document Type: Manual
Language: EN
Manual for R-1900M
Uploaded: Nov. 21, 2025, 7:23 p.m.
The manual provides comprehensive instructions on operating the SHARP R-1900M commercial microwave oven. It covers essential safety precautions, installation procedures, and detailed operation guides for various cooking modes including Memory Cooking, Manual Operation (Time Cooking, Single Stage Cooking, Multi Stage Cooking), Express Defrost, and Repeat Cooking. The document also explains how to customize settings, troubleshoot error codes, and perform maintenance. Additionally, it includes cooking, defrosting, and reheating charts for various food items.
Troubleshooting and error codes
| EE Mode | Reason | Action Required |
|---|---|---|
| EE 1, EE 2 | Failure of single magnetron | Call for service.* |
| EE 3 | Both magnetrons failed | Call for service. |
| EE 4 | Voltage too high | Call for service. |
| EE 5 | Voltage too low | Call for service. |
| EE 7 | Oven cavity or component temperature too high | Check that nothing is blocking air intake openings on oven back or that oven exterior is very hot. Correct. Wait a few minutes and try again. If problem persists, call for service. |
| EE 8 | Circuit failure | Call for service. |
| EE 9 | Maximum cooking time is exceeded. | Check NOTE for Cooking Double/Triple Quantity with Memory on page 8, NOTES 2 for Single Stage Cooking or NOTES 2 for Multi Stage Cooking on page 9 in the Operation Manual. Press the STOP/CLEAR pad, and re-input by reducing Total Cooking Time or power levels. |
| EE 0 | Cooling fan motor or other motor failure. Splash cover is not installed properly. | Cooling fan motor and other motors: Call for service. Splash cover: Check that Splash cover is properly installed. If problem persists, call for service. (See page 22 - 23) |