Written by
Theo Garrison Appliance Care EditorPublished October 27, 2026
VERIFIED
Error code40
ApplianceRefrigerator
When the ice maker solenoid trips code 40
Expect sound and light only. A DCS ActiveSmart indoor integrated refrigerator of the RS/RF type reports this solenoid fault as a count of alarm beeps or as binary LED flashing.
Do this
Mute the alarm using the button on the ActiveSmart control.
Pressing the mute button only ends the noise; the solenoid in the ice maker stays faulty until a technician attends. It is worth noting the number of beeps or the LED pattern so the code can be confirmed as 40 during your call.
DCS refrigerator service for the Bay Area
In San Francisco and neighbouring Bay Area cities, (415) 969-2271 connects you with someone who can discuss a code 40; DCS refrigerator repair adds background. State the code and model number up front.
Model compatibility: DCS reuses codes across series and model years, so 40 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Ice maker solenoid issue, reported by beeps or binary LED flashing.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your DCS appliance?
Book a specialist visit for a clear estimate and approval before any repair.
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