FLT-CTL-07 · Medium SEVERITY
Emergency Temperature Controller FaultCape Town — 24/7
A faulty temperature controller can freeze product solid or let it thaw — both destroying stock and risking the entire batch.
FLT-CTL-07 Diagnostic Report
Temperature Controller Fault — Symptoms, Causes & Repair
Warning Signs
- Displayed temperature frozen or erratic
- Room overcooling well below setpoint
- Room not cooling despite healthy refrigeration
- Controller showing error or fault code
- Compressor short-cycling on the controller signal
Root Causes
- Failed temperature sensor probe
- Controller relay output failure
- Controller firmware or logic board fault
- Sensor wiring damage from moisture or rodents
- Incorrect setpoint or differential programming
On-Site Diagnostics
- Compare controller reading to a calibrated reference probe
- Test sensor resistance across the temperature range
- Verify controller relay output to the compressor contactor
- Inspect sensor wiring for continuity and insulation
- Review programmed setpoint, differential, and defrost settings
Repair Procedure
- Replace failed temperature sensor probes
- Install a new industrial controller with alarm outputs
- Repair or replace sensor wiring runs
- Reprogram setpoint, differential, and alarm thresholds
- Calibrate against a certified reference and log
Coverage Grid
Temperature Controller Fault Across Cape Town
Select your area for a hyper-local diagnostic page with response times and local risk factors.
Cape Town CBD
Central · 16 zones
City CentreGardensOranjezichtTamboerskloof+12
Northern Suburbs
North · 20 zones
BellvilleDurbanvilleParowGoodwood+16
Southern Suburbs
South · 20 zones
ClaremontNewlandsRondeboschWynberg+16
Atlantic Seaboard
West · 15 zones
Camps BayCliftonBantry BaySea Point+11
West Coast
North-West · 19 zones
MilnertonTable ViewBloubergParklands+15
Cape Flats
Central-East · 20 zones
Mitchells PlainKhayelitshaGugulethuNyanga+16
Helderberg
East · 17 zones
Somerset WestStrandGordon's BaySir Lowry's Pass+13
Emergency FAQ
Temperature Controller Fault — Your Questions
Our target response time for temperature controller fault in Cape Town is 45–90 min. We run a 24/7 emergency desk and dispatch the nearest certified technician with the parts most likely needed for this fault already loaded.