46
HARDI
®
New NAVIGATOR OPERATOR’S MANUAL
FAULT
Operating unit not func-
tion ing
PROBABLE CAUSE
Blown fuse(s).
Wrong polarity.
Valves not closing properly.
No power.
CONTROL/REMEDY
Check mechanical function of microswitches.
Use cleaning/lubricating agent if the switch
does not operate freely.
Check motor. 450-500 milli-Amperes max.
Change motor, if over.
Brown - pos. (+). Blue - neg. (-).
Check valve seals for obstructions.
Check microswitch plate position. Loosen
screws holding plate a
1
/
2
turn.
Wrong polarity. Check that brown is pos. (+),
Blue is neg. (-).
Check print plate for dry solders or loose
connections.
Check fuse holder are tight around fuse.
ECP/ECPC Operating unit
FAULT
Compressor will not run.
Compressor runs, but will
not make foam.
Will not make enough foam.
Foam drops will not last.
Keeps blowing fuses
PROBABLE CAUSE
Various
Various
Various
Various
Various
CONTROL/REMEDY
Short in electrical system or bad compressor.
12 volt supply not connected or bad con nec tion.
Weak power supply.
Fuse blown.
Defective switch in control box.
Solenoid not working.
Not enough foam concentrate.
Solenoid valve plugged.
Weak power supply.
Line leak or line pinched.
Solenoid valve plugged.
Weak foam concentrate mixture.
Water too hard (add water softener).
Not enough foam concentrate.
Frequency valve not opened enough.
Weak foam concentrate.
Water too hard (add water softener).
Short in electrical system or bad compressor.
Weak power supply.
Tank fi lter plugged.
Foam marker problems
Troubleshooting
Summary of Contents for New NAVIGATOR 1100
Page 1: ...New NAVIGATOR 67020803 10 04 Operator s Manual ...
Page 2: ......
Page 34: ...32 HARDI New NAVIGATOR OPERATOR S MANUAL 7 Maintenance 6 C 500h B 50h ...
Page 57: ...55 HARDI New NAVIGATOR OPERATOR S MANUAL Notes ...
Page 58: ...56 HARDI New NAVIGATOR OPERATOR S MANUAL Notes ...
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