Brand: Haier
Category: Refrigerators
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for DW-25L92
Uploaded: Nov. 21, 2025, 9:22 p.m.
Warranty Information
Refer to the product nameplate for warranty details.
Operation Summary
This manual covers the operation, maintenance, and troubleshooting of Haier Deep Freezers, specifically models DW-25L92, DW-40L92, DW-40L188, DW-25L300, and DW-40L262. It details product specifications, appearance, and components. The manual explains the screen control system, including temperature adjustment, alarming functions, and error displays. It also covers the working principles of the control system, refrigeration system schematic, and circuit diagram. Important sections include inspection and maintenance for typical errors, troubleshooting common faults, and dealing with poor cooling. A comprehensive parts list with exploded views is also provided for reference.
Troubleshooting and error codes
| Fault | Analysis | Maintenance Measures |
|---|---|---|
| 1. compressor fails to start | 1. Machine storehouse wiring connector plugs s are damaged | Change the connector plugs |
| 2. Bas wire contact | Check contact and make in good condition. | |
| 3. Display panel connection failure | Checking if it is due to bad connection, otherwise, change it. | |
| 4. Relay, start capacitor or heat protector is damaged | Change the part. | |
| 5. Compressor fault | Change the compressor | |
| 6. User's voltage is too low | Add a manostat | |
| 2.Fan does not rotate | 1. Fan wiring is loose | Checking the wiring |
| 2. Fan blades are blocked by foreign matters | Checking and clean them | |
| 3. Fan is damaged | Change parts | |
| 3.High temperature in cabinet | 1. The temperature setting of outage is too high. | Re-set computer board |
| 2. Refrigerant leaks. | Find leak location and make repair welding. Infuse refrigerant again. | |
| 3.Temperature probe is damaged | Change parts | |
| 4. Capillary tube or system is blocked by dirt\ greasy | Clean the capillary tube or change filter. | |
| 5. High ambient temperature | Turn on air-conditioner , reduce ambient temperature. | |
| 6. Condenser blockage | Clean condenser | |
| 4.Display board displays F1 | 1. Temperature probe short circuit or disconnect | Checking the temperature probe |
| 2.No temperature probe | Install a temperature probe |