Hardi Navigator Series User Manual

21
HARDI NAVIGATOR
Problem Probable cause Control / Solution
EVC operating unit
Operating unit not
functioning
Blown fuse(s)
Check mechanical function of microswitches
Use cleaning/lubricating agent if the switches do
not operate freely
Check motor (450 - 500 mA MAX)
Change motor if over
Wrong polarity
Brown = positive (+) Blue = Negative (-)
Valves not closing properly
Check valve seals for obstructions
Check microswitch plate position
Loosen screws holding plate a ½ turn
No power Wrong polarity
Check that Brown is (+), Blue is (-)
Check printed circuit board for dry solder joints
or loose connections
Check fuse holder is tight around fuse
Foam marker
Compressor will not
start
Poor power supply
Check battery (must be 12 V) and wiring
Blown fuse
Change external fuse
Defective relay Open compressor box and check relay for
corrosion
No liquid to foam
generator
Blown fuse
Open compressor box and check fuse located
on printed circuit board
Solenoid valve not opening Check wiring at printed circuit board for corro-
sion or loose connections
Filter blocked Dismantle and clean
Foam quality
inconsistent
Recommendations not followed
See Foam marker (P11 - Navigator Operators
Manual), and Foam Concentrate label.
Blob interval
inconsistent
Adjustment valve gummed up
Flush system
Foam liquid in air lines
Non-return valve in line gummed up
Dismantle and clean

Hardi Navigator Series Specifications

General

Brand	Hardi
Model	Navigator Series
Category	Farm Equipment
Language	English