Manuals
You probably knocked a connection loose if you hosed it down. Check all pto electrical connections making sure they are tight and secure. If that doesn't fix it check all electrical connections. Suggestion, do not use water on electrical parts, use a blower then wipe it down, same goes for engine, wipe it down. With all the electrical high tech. components they install on a piece of equipment, relays, high tech. circuitry, etc., water is it's #1 enemy.