One external light can't be turned off

Vivian requested 3 quotes from Electricians in Lynbrook

The switch can only dim the light but cannot turn it off. The switch used to work fine

Melbourne Electrical Specialists

Local Spark Electrical

CLD Electrical

REPLACE 3 SMOKE ALARMS, RECONNECT CEILING FANS
REPLACE 3 SMOKE ALARMS, RECONNECT 2 CEILING FANS - DO NOT SEND D T ELECTRICS

2 DOWN LIGHTS NOT WORKING POSSIBLY TRANSFORMER
2 DOWN LIGHTS NOT WORKING POSSIBLY TRANSFORMER

Fixing trip switch int he power box
Need electrician to fix the trip switch in the power box

Lights repaired, smoke detector fitted d/light repair fluro repair
I have a downlight that is not functioing properly - a sound of shorting when...