Cold Room Faults — Diagnostic Index
Twelve common cold room and freezer room faults, each with structured diagnostic steps, probable causes, and repair guidance — available for every Pretoria East suburb.
Current Response Time
45 minutes
Technician available — Pretoria East
069 268 0988
Cold Room Not Cooling
A cold room that has stopped cooling is a critical fault. We diagnose the root cause — refrigerant, compressor, controller, or airflow — and restore cooling fast.
Diagnose faultCold Room Running Warm
A cold room running warmer than setpoint is failing slowly. We find why it cannot reject enough heat and bring it back down to temperature.
Diagnose faultFreezer Room Not Freezing
A freezer room that cannot hold -18°C is a stock-loss emergency. We diagnose the low-temperature fault and restore full freezing capacity.
Diagnose faultCold Room Compressor Repair
Compressor faults range from electrical failures to mechanical valve damage. We test, repair, and replace cold room compressors across Pretoria East.
Diagnose faultCold Room Gas Leak Repair
Refrigerant gas leaks reduce cooling and eventually stop it. We electronically detect, repair, and re-gas leaking cold rooms across Pretoria East.
Diagnose faultCold Room Regassing
Low on refrigerant? We regas cold rooms with the correct refrigerant grade and charge weight, restoring full cooling performance across Pretoria East.
Diagnose faultCold Room Evaporator Icing Up
An iced evaporator blocks airflow and kills cooling. We diagnose the defrost or airflow cause and clear the ice across Pretoria East.
Diagnose faultCold Room Defrost Repair
Defrost faults cause ice build-up and cooling loss. We repair defrost heaters, timers, sensors, and drain lines across Pretoria East.
Diagnose faultCold Room Fan Not Working
A failed evaporator or condenser fan stops heat transfer and kills cooling. We diagnose and replace fan motors across Pretoria East.
Diagnose faultCold Room Controller Repair
A faulty controller misreads temperature, misfires the compressor, or freezes your stock. We repair and replace cold room controllers across Pretoria East.
Diagnose faultCold Room Electrical Fault
Electrical faults trip breakers, stop compressors, and disable fans. We trace and repair cold room electrical faults across Pretoria East.
Diagnose faultCold Room Temperature Control Repair
If your cold room cannot hold a stable temperature, the control system is at fault. We repair sensors, controllers, and control loops across Pretoria East.
Diagnose fault