Written by
Theo Garrison Appliance Care EditorPublished October 27, 2026
VERIFIED
Error code42
ApplianceRefrigerator
A fault with the fill tube of the ice maker, reported by DCS ActiveSmart indoor integrated refrigerators in the RS/RF series.
Alarm beeps in a count or LEDs flashing in a binary pattern. No text accompanies them.
Press the alarm mute button, which quiets the beeping. Beyond that, a service technician is needed.
43 is the matching fill tube entry.28 concerns the ice maker solenoid.26 concerns the ice maker motor.
Fill tube service in San Francisco
Reach DCS refrigerator service from anywhere in the Bay Area at (415) 969-2271, or start with DCS refrigerator repair. A short note with code 42, the model number and the muting you did makes the call quicker.
Model compatibility: DCS reuses codes across series and model years, so 42 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 fill tube 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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