Description

24V: 9-19V frequency conversion, voltage above 19V is full speed.

12V: 4.5-9V frequency conversion, voltage over 9v is full speed

Automobile electric air-conditioning compressor controller

error code:

Flashing 1 time: standby Normally dark: working

Flashing 2 times: over current, flashing

Flashing 3 times: Compressor locked-rotor protection

Flashing 4 times: undervoltage, 12V is 9.5V, 24V is 19.5V, protection is lower than this value, there is actually a voltage drop,

6 flashes: electronic fan failure

7 flashes: startup failure (phase loss, power tube damage)

Flashing 8: Loss of phase (damage of motor demagnetization, back EMF problem)