Panasonic cu-4ks24nbu Manual De Usuario

Work procedure

Apply 220 V AC between terminals L1 and L2 on the 

outdoor unit terminal plate.

•

Short-circuit the T-RUN terminal to the COM terminal 

of TEST/T-RUN terminals.

•

The LED (red) on the control board must illuminate.

•

The compressor and fan motor must turn ON.

(They turn ON about (70) seconds later after the power 

is turned ON.)

•

No.

1

2

Check items (unit operation)

If the above check items are okay, but the outdoor unit does not operate, there may be a faulty 

connection between the indoor unit and the outdoor unit.