Title: +175=737.001_IK001_Brukermanual for Refra varmepumpe.Produktinformasjon.pdf
1. Network switch is OFF 2. The unit switch is OFF 3. Installation is in the standby pump hydraulic circuit 4. Сontacts аlow switch relay are open 5. Breakers are open compressor 6. Blown fuse7. Signal from the device control phases 8. Actuation compressor protection1. Turn ON network switch 2. Check the status of unit on the control panel. Turn ON 3. Check the status of the circuit on the control panel. Turn ON.4. Check the status of the unit control panel. Close the contacts 5. Close the contacts 6. Check electrical circuits and motor winding to short circuit or ground fault. Check for overload. Check for reducing contact and corrosion. Replace the fuse or turn the circuit breaker after removing the cause of failure 7. Check the connection of phases and voltages 8. Initialize by pressing the reset button on the device it self. Remove the alarm from the memory controller 9. Repair or replacement