User's Manual

Troubleshooting
313540G 17
Hose display reads OA at startup. FTS disconnected or not installed. Verify proper installation of FTS (see
H-VR Operation manual 313539), or
adjust FTS to desired current setting.
Display does not respond properly to
button pushes.
Poor display connection. Check cable connections, page 42.
Replace damaged cable.
Display cable damaged or corroded. Clean connections; replace cable if is
damaged.
Ribbon cable on display circuit board
disconnected or broken.
Connect cable (page 42) or replace.
Broken display button. Replace, page 42.
Red stop button does not work. Broken button (fused contact). Replace, page 42.
Loose wire. Check connections, page 42.
Fan not working.
Blown fuse. Verify with ohmmeter; replace if nec-
essary (page 42).
Loose wire. Check fan wire.
Defective fan. Replace, page 42.
PROBLEM CAUSE SOLUTION