15
EcoloAir Operation, Maintenance & Service Manual
EA
OMSI/0
1
2
0
09/re
v1/EN
TROUBLESHOOTING GUIDE
PROBLEM
PROBABLE CAUSE
SOLUTION
Unit not exhausting properly
a) Belts slipping or broken.
b) Fire damper shut. Check
ecology unit and exhaust
hood.
c) Plugged fi lter.
d) Water level in exhaust hood
too high. Drain plugged.
e) Exhaust fan motor off on
overload.
f) Duct work or air outlet
blocked.
a) Tighten or replace belts.
b) Replace fusible link or holding
wire. Check cause.
c) Replace fi lter.
d) Unplug drain, check fi lter if wet.
e) Reset and check amperage
draw
f) Remove obstruction.
No make-up air
a) Loose damper linkage causing
both dampers to close.
b) Loose or broken fan belts.
c) Plugged air fi lter.
d) Supply fan motor off on
overload.
e) Separate supply air system not
operating.
a) Tighten and reset linkage
b) Tighten or replace belts.
c) Replace fi lters.
d) Reset and check amperage
draw.
e) Recommend to owner to have
system serviced.
Unit will not start
a) No power.
b) Fuses blown.
c) Off on overload heater in
magnetic starter.
d) 120 volt control transformer
fuse.
e) Blown 5 amp. fuse in exhaust
hood wash control panel.
f) Defective exhaust fan motor.
g) Fan switch on Ecology control
panel in “OFF” position.
h) Control switch on exhaust
hood panel in “WASH” position
a) Check power supply.
b) Replace fuse, check for cause
of blown fuse.
c) Reset overload and take
amerage reading to be sure
motor is not overloaded. A
blown fuse can cause an over-
load to trip.
d) Replace fuse; if blown, check
for cause in 120 volt circuit incl.
exhaust hood wash control
panel.
e) Replace fuse. Check for cause
in detergent pump or solenoid
coils.
f) Replace motor. Check for cause
bearings, alignment, motor
burn out. Check overload set-
tings with name plate.
g) Turn to “ON” position.
h) Turn to “RUN” position