WATERMAZE SERIES
OPERATOR’S MANUAL
53
WB • 8.913-984.0-L
BURNER
BLOWER
PROBLEM
POSSIBLE CAUSE
SOLUTION
(Burner Continued)
VERIFLAME
INDICATOR LIGHT
GOES TO AIR
FAILURE
Foaming
Add defoamer.
Demister screens plugged
Clean demister screens.
Sparger tube plugged
Clean sparger tube.
Air distributor plugged
Clean air distributor.
Faulty air pressure switch
Replace if necessary.
BURNER BUMPS
UPON IGNITION
Gas solenoid valve opens too slowly
Adjust gas solenoid valve so it opens
quicker.
PHOTOHELIC
SHUTS BURNER
OFF
Foaming or water in photohelic hose
Add defoamer or drain photohelic hose.
PROBLEM
POSSIBLE CAUSE
SOLUTION
EXCESS VIBRATION
Impeller damaged or contaminated by
foreign material
Replace or clean impeller, install adequate
filtration.
ABNORMAL SOUND
Motor bearing failed, impeller rubbing
against cover or housing
Replace bearings, repair blower and check
clearances.
INCREASE IN SOUND Foreign material or heat can destroy
muffler foam
Replace foam muffler elements and filter
foreign materials.
BLOWN FUSE
Electrical wiring problem
Have a qualified person check that impeller
turns. Also check fuse, wiring diagram and
wiring.
MACHINE VERY HOT
Running at too high pressure or
vacuum
Install a relief valve and pressure or vacuum
gauge.
BLOWER WON’T
START
Blower control switch turned to auto-
matic and liquid level in holding tank
is low
Turn blower control switch to manual or fill
wastewater holding tank.
TROUBLESHOOTING
