Wolf Warming Drawer Error Code 40
- Error 40 on a Wolf Warming Drawer
- Err 40
- 828142, 816271
- Long comm cable
- Element sensing error
- Less than 5º change in temperature over 10 minutes of continuous call for heat
- Occurs only during preheat mode and the door is closed
To troubleshoot error 40 on WWD30 Warming Drawer models:
- Power the unit off by pressing the Power On/Off key.
- Press and hold the Power On/Off key, along with MED and PROOF keys simultaneously for five seconds. "RE" appears on the display.
- Press and hold Timer Up and Timer Down simultaneously for five seconds. The unit will beep one time.
- Press Timer Up one time and release. If cleared, display should now read “Error None.”
- Exit Diagnostic Mode by pressing the Power On/Off key.
- Verify unit operation by turning unit on and allowing it to preheat. If the unit operates without any further errors, no action is required.
- If these steps do not resolve the issue or if the error returns repeatedly, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.
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