Evaporator plate replacement where scale pitting, refrigerant leaks or physical damage stop a plate from releasing ice cleanly. In Witkoppen this is luxury gated estates work on evaporator assembly systems, attended within about 65 minutes of dispatch.On Sub-Zero equipment specifically — built-in refrigeration columns, wine storage and integrated units — the faults we see most in Witkoppen are evaporator fan failure in freezer section and control board and sensor faults.Every visit starts with a full diagnostic and a written quote before any part is fitted.Mixed access; some sections open, some boomed. Ice Machine Repairs bookings in Witkoppen are logged against Block 12 so we can allow for power availability on site.
- Typical response window
- 65 minutes from Fourways & Northern Suburbs
- Distance from Sandton CBD
- 13.6 km
- Municipal water hardness
- hard (190 ppm)
- Load-shedding schedule
- Block 12
- Access & compliance
- Mixed access; some sections open, some boomed.
- Typical installed systems
- Family homes and small commercial premises.
Refrigerant data
| Gas | Classification | Suction pressure | Discharge pressure | Typical use |
|---|---|---|---|---|
| R134a | HFC (A1) | 80-140 kPa at -5 degrees C evaporating | 900-1 200 kPa at 45 degrees C ambient | Wine cellars, display cabinets, medium-temperature commercial refrigeration and some heat pumps. |
| R404A | HFC blend (near-azeotropic) | 40-60 kPa (approx. 2-4 bar) | 1500-1900 kPa | Older commercial ice machines, cube makers, ice bins and blast chillers |
| R448A | HFO/HFC blend (low GWP) | 50-75 kPa | 1600-2000 kPa | Modern commercial ice machines, cube and flake units, coldroom retrofits |
Common questions
Can a built-in Sub-Zero be repaired without removing the joinery in Witkoppen?
In most cases yes. The units are designed to be serviced from the front through the grille and toe panel; full de-racking is only needed for sealed system work.
Do you charge a callout fee?
A standard callout and diagnostic fee applies and is quoted upfront. It is credited against the repair when you accept the quote.
My ice machine runs but makes no ice, is it worth repairing?
Usually yes. The four common causes (water inlet valve, water pump, scaled evaporator and a stalled harvest cycle) are all repairable at a fraction of replacement cost. We quote in writing after the diagnostic and tell you honestly when a machine is past economic repair.
Why is my ice cloudy or melting too fast?
Cloudy, soft ice means the freeze cycle is being cut short or the water is carrying too many dissolved solids. We test hardness and TDS on site, fit the right filtration, descale the plate and re-time the cycle so cubes freeze clear and hard.
Request a callout or quote
Send it straight to our WhatsApp for the fastest response, or call 069 268 0988 / email info@reyds.co.za.