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Tami GonzalesAug 8, 2025
How to troubleshoot drawer temperature issues in my GE Refrigerator?
- Ddakota93Aug 8, 2025
To troubleshoot drawer temperature issues, check the thermistor, damper, fan, and heater first.
How to troubleshoot drawer temperature issues in my GE Refrigerator?
To troubleshoot drawer temperature issues, check the thermistor, damper, fan, and heater first.
What to do if there is no display or lights on the Climate Control Drawer control panel of my GE ZIS 420DM Refrigerator?
If there are no display or lights on the Climate Control Drawer control panel, replace the main control board.
What does 'communication pass?' mean on my GE Refrigerator, and how do I fix it?
If there is a 'communication pass?' error, replace the Climate Control Drawer control board.
General| Brand | GE |
|---|---|
| Model | ZIS 420DM |
| Category | Refrigerator |
| Type | Side-by-Side |
| Total Capacity | 21.9 cu. ft. |
| Freezer Capacity | 7.3 cu. ft. |
| Defrost Type | Frost-Free |
| Ice Maker | Yes |
| Water Dispenser | Yes |
| Energy Star Rated | Yes |
| Color | Stainless Steel |
| Weight | 280 lbs |
| Height | 69.875 inches |
| Width | 35.75 inches |
Disconnect power before servicing to avoid personal injury and property damage.
Ensure all grounding wires and components are properly reconnected after service.
Safety instruction to disconnect power before any service work is performed.
Details on the compressor, including capacity, vacuum, and pressure specifications.
Explanation of the adaptive defrost system that adjusts to usage and environment.
Details on the touch panel and temperature control board assembly.
Information about the main control board and its functions.
Pin definitions and functions for main control board connectors J1, J2, J3.
Pin definitions and functions for main control board connectors J4, J5, J7, J8.
Pin definitions and voltage readings for main control board connectors.
Explanation of the Climate Control Drawer's operating modes and features.
Diagnostic flowchart for troubleshooting the Climate Control Drawer panel and display.
Diagnostic steps for troubleshooting compartment lighting issues.
Function and location of fresh food and freezer door switches.
Role of the master light switch in controlling interior lighting.
Instructions for replacing halogen bulbs in the refrigerator compartments.
Troubleshooting flowchart for a warm fresh food and normal freezer.
Troubleshooting flowchart for a too cold fresh food and normal freezer.
Troubleshooting flowchart for a warm fresh food and warm freezer.
Troubleshooting flowchart for a warm freezer and normal fresh food.
Troubleshooting flowchart for when the compressor is not running.
Troubleshooting flowchart for a refrigerator with no operation.
Troubleshooting flowchart for a non-operating damper door.
Troubleshooting flowchart for heavy frost buildup on the evaporator.
Troubleshooting flowchart for when the evaporator fan is not running.
Troubleshooting flowchart for when the condenser fan is not running.
Details on what the refrigerator warranty covers, including duration and parts.
Details on what is excluded from the refrigerator warranty coverage.
