Large commercial daikin requires maintenance/service

Gene requested 2 quotes from Air Conditioning Professionals in Port Melbourne

We have a large daikin sytem in our spa that cools the ground floor. keypad saying maintenance required and its not switching on.

AIR CONDITIONER - NEEDS SERVICE
SERVICE - INTERNAL AIRCONDITIONING UNIT, MISTRAL SPLIT SYSTEM - FAN NOT...

AIR CON NOT COOLING
AIR CON NOT COOLING

TO SERVICE AIR CON
TO SERVICE A DUCTED AIR CON

Daikin Spilt System Fault Repair
Daikin spilt system with fault code U4 onthe controller, suspect...