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MODEL OVERVIEW
About this model: Samsung MC32DB7746KCE3
Samsung MC32DB7746KCE3 UK 32-litre connected combination microwave: verified owner manual, steam and air-fry modes, SmartThings controls and five information codes.
Identify the exact UK model, power and supplied pieces
The Samsung UK product identifies MC32DB7746KCE3 as a 32-litre all-in-one microwave with Air Fry, steam and connected controls. Its exact support page supplies a manual whose cover names the MC32D*7746K*** family; the pattern includes this /E3 version. The product headline gives 900 watts of microwave output. The owner specification is more precise about mains voltage: 850 watts at 230 volts and 900 watts at 240 volts. Keep those two figures separate when comparing cooking times or another market's specification. The oven has a drop-down door and a touch-and-dial panel. The illustrated controls place Healthy Steam under a long press on Convection, Power Defrost under Air Fry, Combi under Grill, Deodorization under Microwave, and the turntable setting under Auto Cook. The included roller ring and turntable support the food; high and low racks, crusty plate and pure steamer have mode-specific roles. The manual asks for ten centimetres behind and at both sides and twenty above for ventilation. Do not run it without the roller ring and turntable, and check which accessories actually came with the appliance before following a recipe.
Choose steam, Air Fry and heat modes deliberately
Healthy Steam contains seventeen automatic programs. Hold its shared Convection key for three seconds, then choose the food category, item and serving size with the selector dial. The pure steamer in the accessory list is specifically for microwave steam cooking, not a general container for grill or convection. Manual Air Fry uses hot air without microwaves at 100–200 degrees Celsius. Its separate twelve-program automatic guide combines convection, the top heater and microwave energy, placing foods such as chips on the crusty plate and high rack. Power Defrost instead uses food type and weight and signals when food should be turned. Plain Convection heats without microwave power from 40 to 200 degrees Celsius; the low rack or low rack plus crusty plate is used. Combination Cb-1 adds microwaves to grill, while Cb-2 adds microwaves to convection. Because those modes emit microwave energy as well as heat, their dishes must be both microwave-safe and ovenproof. Follow the matching program and accessory rather than moving a steamer or metal rack between modes by habit.
Interpret SmartThings and local control states
The oven's SmartThings setup uses a Samsung account and a 2.4 GHz Wi-Fi network. The owner guide describes adding the microwave in the app and enabling Smart Control on the physical panel when remote start or remote changes to time or temperature are wanted. Some settings cannot be controlled remotely for safety reasons, so an app option being unavailable is not automatically a device fault. If cooking time has not been specified, remote start is also unavailable. The appliance keeps cooking if the Wi-Fi connection drops. On the oven itself, the paired Convection and Auto Cook buttons open settings for Wi-Fi, clock, 12/24-hour display and key sound. Child Lock shows L after a three-second hold; STOP/ECO can intentionally blank the display until the door is opened or the key pressed. Stopping the turntable during a manual mode gives room for a larger dish, but Samsung warns that food cooks less evenly and recommends a manual half-turn. These states are useful to record before treating silence, a dark display or a stationary plate as a failure.
Check ordinary symptoms before interpreting a code
The troubleshooting pages separate everyday symptoms from information codes. A key may fail to respond because debris is trapped between buttons, moisture is on the exterior or Child Lock is on. A dark clock may simply be Eco mode. If the oven stops, look at whether the door was opened to turn food and whether START/+30s was pressed again; also check ventilation space and whether the cooling fan runs. The fan can continue for about three minutes after a completed cook, which the manual labels normal. Sparks during microwave or defrost use can follow a metal container. SmartThings faults have their own checks: sign in to a Samsung account, verify the router and device registration, then consider distance or interference when a connection fails. A wireless problem does not by itself prove a heating fault. Note what mode was running and the exact display text before seeking service, and use the manual's customer-care path if its checks do not resolve the issue.
Apply only the five printed information codes
Page 43 prints C-20, C-F1, C-21, C-F2 and C-d0. C-20 asks for a temperature-sensor check; it does not specify an open or shorted component in this table. C-F1 means the EEPROM read or write operation is failing. Those first two rows share the advice to press STOP/ECO and retry, then switch the oven off for more than thirty seconds if it returns and contact Samsung if it appears again. C-21 means the sensed temperature exceeds the set temperature: switch off, let the oven cool and retry, with service if it recurs. C-F2 and C-d0 share a touch-key malfunction description, but have different actions. C-F2 asks for a STOP/ECO retry. C-d0 asks to clean the keys and check for water, then power off for over thirty seconds before another try and contact Samsung if it returns. The owner chart does not identify a different failed part for C-d0. Other web lists may show more Samsung codes, but these five have direct support for this owner's family.
Verified model details
Exact /E3 product and owner-family match
Source for this detailHealthy Steam, Air Fry and SmartThings each have separate controls
Source for this detail · Source page: 43Five codes verified on physical page 43
Source for this detail · Source page: 11
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MC32DB7746KCE3 Smart Microwave Air Fryer with Steam 32L | Samsung UK
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.