Great Plains 3PYPA Operator Manual - Manual (Page 178)

174 3PYPA Table of Contents Index Great Plains Manufacturing, Inc.
401-647M Table of Contents Index 03/20/2012
Troubleshooting
MetaData: End of
Maintenance
Check the air filter as per manufacturer recommendation.
Problem Cause Solution
Compressor
won’t turn on
Switch turned “off”. Turn switch “on”.
Poor electrical connection. Clean connections and reassemble.
Fuse blown. Replace fuse (60A).
Erratic down
pressure reading Poor electrical connection to load
cell. Clean connection and reassemble.
Load cell malfunction. Replace load cell.
Persistent “high”
alarm Row unit spring tension too high. Lower spring tension.
Air leak preventing cylinders from
holding pressure. Fix leak.
Persistent “low”
alarm Row unit spring tension too low. Raise spring tension.
System won’t
hold air
pressure Pinched/torn hose. Replace hose.
Hose not pushed into quick con-
nect fitting far enough. Push hose in until fully seated.