Split & Multi-Split
E203 means different things on different Split & Multi-Split models. Enter your model number to see only your reading, or find your model below.
Models: CBX40UHV
Air handler (indoor)
This manual entry does not list further causes or actions.
No air handler model size and capacity selected. Check for proper configuring under Configuring Unit Size Codes.
Models: 3WPD036S6S-1P
Mini-split unit (outdoor)
Check electrical connection and setting between outdoor unit MAIN PBA - INVERTER PBA
Communication error between the outdoor unit and main micom (For PF #4 to #6 controllers, error will be determined from the time when the compressor is turned on.)
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
