Gechy Electric Co.,Ltd share this may caused by

1. Improper connection, there might be loose contact from the AC mains and or from the AVR to the appliances

2. Overloading, the power capacity of the connected appliance exceed the stabilizer maximum output power. Normally in this case the fuse will blow up or the circuit breaker will trip off.

3. Different frequency between the AVR output frequency and the frequency of the electrical appliance.

1. Please ensure a firm and proper connection from the utility power to the AVR and the AVR to the electrical Appliances.

2. Make sure do not overload the AVR, for your reference, for color TV, calculate it twice as it’s listed capacity. for motor & compressor based appliances ,calculate it three times of the listed capacity.

3. Ensure the same the frequency range of the AVR output and the loaded appliances.