Foam Marker - Hardi Navigator 550M Operator's Manual

11. Boom nozzle leaking.

8.2 Foam Marker

Problem
1. Compressor will not run.
2. Compressor runs but will
not make foam.
3. Will not make enough foam.
4. Foam drops will not last.
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HARDI NAVIGATOR 550M, 800M, 1000M CENTRIFUGAL OPERATOR'S MANUAL
A. Seat on boom section shut-off
valve is worn or cracked.
B. Bad seat on spool valve.
C. Bad Non-Drip valve diaphragm.
Cause
A. Short in electrical system or
bad compressor.
B. 12 volt supply not connected
or bad connection.
C. Weak power supply.
D. Fuse blown.
E. Defective switch in control
box.
F. Bad printboard (Pre 2002).
A. Solenoid not working.
B. Not enough foam concentrate.
C. Solenoid valve plugged.
D. Weak power supply.
E. Bad printboard (Pre 2002).
A. Line leak or line pinched.
B. Solenoid valve plugged.
C. Weak foam concentrate
mixture.
D. Water too hard (add water
softener).
A. Not enough foam concentrate.
B. Frequency valve not opened
enough (Pre 2002).
C. Weak foam concentrate.
D. Water too hard (Add water
softener).
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