Vertiv | Liebert LVC | User Manual 31
Maintenance and Troubleshooting
5.1.2. Maintenance of Spray Water System
• Nozzle
1. Compare the water mist area of dierent nozzles, it is possible to judge whether the nozzle is clogging. If the
nozzle is clogging, clean or replace it.
2. Check that the nozzle bases are rmly xed, to ensure no leakage.
• Pump and Motor
1. Check the operation of the pump regularly. Through the control board check whether current alarm menu
interface has A0b or A0C alarm to judge the operation of the pump.
2. Check that the motor runs smoothly. Observe the issues such as abnormal noise and vibrations.
• Ball Valve
1. Clean the lter screen of the ball valve regularly.
• Water Softener
1. Check that the program control runs normally. If there is an anomaly, please deal with the corresponding
fault.
2. Check regularly whether multichannel valve clogging. If necessary, clean the control valve to ensure the
smooth piping.
3. Monitor the water hardness of softener regularly. Add the industrial salt and replace the resin in time.
• Water Filter
1. Clean the lter core regularly. If it is necessary, replace the lter core.
• Spray Water Pipeline
1. Check that the connector of the spray pipes is rmly xed. If there is leakage, the connector should be
tightened.
5.2. Troubleshooting
Refer Table 5-1 for alarm troubleshooting.