Description
Original Panasonic replacement air condition indoor main control PCB (ACXA73C00370) for Panasonic appliances. Genuine parts carry the manufacturer's own specification, so the fit and performance match the part that came out.
What this part does
The PCB (printed circuit board) is the control brain of the appliance. It reads the sensors, runs the program and switches the motor, heater, valves and pump on and off.
Signs it needs replacing
- No power, no lights or a display that stays blank
- Error codes that return after a reset
- A cycle that stops part way through, or functions that will not switch on
Specifications and fitment
| Part number | ACXA73C00370 |
|---|---|
| Brand | Panasonic |
| Part type | Genuine manufacturer part |
| Category | PCB |
Fits these models
Use this part on these Panasonic models:
CS-Z18RKR
Installation notes
Disconnect power and note where every plug goes before removing the old board. Many boards are supplied unprogrammed or need settings transferred, so check the notes below. The model number is on the rating plate, usually inside the door or on the back panel. Compare it with the model list before you buy.
Frequently asked questions
Is ACXA73C00370 a genuine Panasonic part?
Yes. This is the manufacturer's own part, not an aftermarket copy.
Which models does this air condition indoor main control PCB fit?
It fits CS-Z18RKR. Always confirm your model number first.
Do I need a technician to fit this part?
Many parts can be fitted by a competent DIYer with the power disconnected. Gas, refrigeration and sealed-system work must be done by a licensed tradesperson.






