©2005 Thermaco, Inc. All rights reserved • Patented/Patents Pending • Specifications subject to change without notice
Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651
MNL-IS6000 7
®
Big Dipper
®
IS System Series
Troubleshooting
No grease
collected in
container
Make sure power
in on and timer is
set correctly
"On" time should
be no less than 15
minutes per day
Timer should be
set to activate
during periods of
no or low flow
Open Wheel
Cover
Clean wiper blades
& collection trough
Make sure wiper
blades are properly
attached
Replace wiper
blades when
worn
Set timer to "On"
position
Make sure
skimmer wheel
turns
Check heater
assembly
The heater is on at all
times. If the water in the
tank is not warm, the
heater should be
replaced
If skimmer motor
does not
activate:
Check motor
coupling for
tightness
If coupling tightness is
assured, motor needs
to be replaced
If skimmer motor
activates:
Check tightness of safety
switch & assure switch is fully
depressed when lid is
fastened to unit
