Troubleshooting - Micron ELECTRAFAN 12 Instruction Manual

TROUBLESHOOTING

FAULT CHECKING CHART
Problem
Motor fails to start
1. Switch
2. Battery run down
3. Loose battery connections
4. Blown fuse
5. Stiff or seized motor
6. Faulty switch, internal wiring or
motor
Motor runs slowly
1. Battery run down
2. Friction in atomiser assembly or
motor
3. Poor electrical connections
4. Worn or defective switch
contacts
5. Defective motor armature
Fails to spray, chemical dribbling
from air bleed hole in feed line
1. Blocked feed line
Intermittent spraying
1. Blocked air bleed in feed line
Intermittent spraying
excessive contamination of fan
and fan guard with repeated
blocking of feed nozzle
1. Blocked atomiser assembly
Procedure
Check switch is in ON position.
Test battery with a voltmeter or a suitably wired 12 volt bulb.
Recharge if necessary ensuring battery fuse is not blown (see
'THE BATTERY').
Check that all connections are clean and secure (battery
terminals, plug connector) and that the battery is fully charged.
If the battery is fully charged, check the 10amp anti-surge fuse
inside carrying case near the plug connector socket.
Atomiser assembly should be free to turn in an anti-clockwise
direction. Some friction from motor brushes is normal but if it is
difficult to turn by hand contact your supplier or Service
Department at Micron.
Contact your supplier or Service Department at Micron.
Test battery with a voltmeter or a suitably wired 12 volt bulb.
Recharge if necessary (see 'THE BATTERY').
Atomiser assembly should be free to turn in an anti-clockwise
direction. Some friction from motor brushes is normal but if it is
difficult to turn by hand contact your supplier or Service
Department at Micron.
Check systematically all external wiring and connections,
especially in plugs and battery.
Contact your supplier or Service Department at Micron.
Contact your supplier or Service Department at Micron.
Remove the spray bottle. Remove and clean feed nozzle (see
'TO CLEAN FEED NOZZLE').
Remove the spray bottle and clean threads on the bottle and in
the neck of the feed line. When fitting the bottle into the bottle
holder tighten fully and then unscrew by 1/4 of a turn. If this is
not done the airbleed may be blocked causing liquid feed to stop.
Check the air bleed hole is clear.
and
Remove the spray bottle. Remove and clean atomiser assembly
and feed nozzle (see 'TO CLEAN ATOMISER ASSEMBLY'
and 'TO CLEAN FEED NOZZLE').
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