119 Digital Valve Error MP4000

Description 

Digital Valve Error 

• Occurs during pretrip (PTI) test only. 
• Compressor Current consumption not correct for valve position. 

Corrective Action 

• Using Manual Function Test, without compressor and fans active check the function of the valve by observing the sound or feel of the valve while activating/deactivating. 
• Using Manual Function Test, with compressor and fans active check the function of the valve. 
• The current consumption during NOT energized valve must be higher than during energized position. 
• With Condenser coil temperature above 35C the expected increase is min 0,9A and below 35C expected limit is 1,5A.