Troubleshooting
16 312063Z
Erratic display; display turns on and
off.
Low voltage. Ensure input voltage is within
specifications, Display Module,
page 41.
Poor display connection. Check cable connections, Display
Module, page 41. Replace damaged
cable.
Display cable damaged or corroded. Clean connections; replace cable if is
damaged.
Display cable not grounded. Ground cable, Display Module,
page 41.
Display extension cable too long. Must not exceed 100 ft (30.5 m)
Hose display reads OA at startup. FTS disconnected or not installed. Verify proper installation of FTS (see
Operation manual 312062), or adjust
FTS to desired current setting.
Display does not respond properly to
button pushes.
Poor display connection. Check cable connections, Display
Module, page 41. 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 (Display Module,
page 41) or replace.
Broken display button. Replace, Display Module, page 41.
Red stop button does not work. Broken button (fused contact). Replace, Display Module, page 41.
Loose wire. Check connections, Display
Module, page 41.
Fan not working. Blown fuse. Verify with ohmmeter; replace if
necessary (Display Module, page
41).
Loose wire. Check fan wire.
Defective fan. Replace, Display Module, page 41.
PROBLEM CAUSE SOLUTION
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