PROBLEM DIAGNOSTIC

Heat Pump Ice Buildup

Symptom: Ice forming on outdoor unit

DIAGNOSTIC REPORT
SYMPTOM:Ice forming on outdoor unit
PROBABLE CAUSE:Defrost cycle failure or low refrigerant
RECOMMENDED ACTION:DISPATCH TECHNICIAN
PROBLEM DESCRIPTION

Ice buildup on your heat pump's outdoor unit during winter is normal during the defrost cycle, but excessive or persistent ice indicates a defrost system failure or low refrigerant. This reduces heating efficiency and can damage the unit. Our Hartbeespoort technicians can diagnose and repair defrost system faults for all heat pump brands.

TROUBLESHOOTING STEPS
01

Check if the defrost cycle is initiating properly

02

Test the defrost thermostat or sensor

03

Inspect the defrost heater for continuity

04

Check refrigerant pressure for leaks

05

Verify the reversing valve is switching correctly

STATUS: REPAIR AVAILABLE

Experiencing this issue? Our technicians can diagnose and fix it today.

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PROBLEM SUMMARY

Heat Pump Ice Buildup

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