Fogger System Troubleshooting - Hussmann Q3 User Manual

Problem Possible Cause
No Power to Fogging
Case in defrost cycle
Fogging system is on the
Little to No
Fog
Ice on discharge air grill
Pinched Air/ Water lines
Frozen water line(s)
Disconnected/punctured air
Miatech system ON time is
Too much
fog/water
build-up inside
Miatech system OFF time is
case
Too much water pressure
RO Filter is clogged or
Water spots
Too much air pressure
Excessive noise

FOGGER SYSTEM TROUBLESHOOTING

Ensure the power switch on Miatech unit turned to "ON".
Ensure the "Fogger System" switch on the case is switched
to the "ON" position, and the light is illuminated.
GFCI on power outlet tripped; reset GFCI via the "RESET"
system
button. GFCIs have a small green LED. Verify LED is green.
Ensure the case has power supplied to it.
The Fogger time clock is on the nighttime OFF cycle
Wait until defrost cycle has completed. If the case is in
defrost, the characters -d- will be displayed on the
controller.
The Fogging system will be powered down during off hours.
Off hours are determined by the Fogging system timer. See
"Off" time
the IO manual or SOP to adjust or override.
Check that discharge air temperatures are between 31°-
32°F.
Ensure defrost heater is operating during defrost.
Ensure that case controller setpoint have not deviated from
the factory settings. Refer to the specification sheet.
Ensure all lines leading to the nozzles are free of kinks or
anything that may compress or cause a blockage of the line.
Ensure the heaters are plugged into the correct GFCI at all
times.
Ensure the GFCI is not tripped.
Iced Nozzle
Ensure the green LED on the nozzle is illuminated at all
times.
Call Miatech support 1-800-933-6478.
Ensure that all water lines are not touching the refrigeration
piping.
Ensure all lines are intact, and water is not leaking from any
or water line
lines or connections.
too long.
too short
Have RO system serviced. Call Miatech support 1-800-933-
saturated
6478.
Miatech system needs service. Call Miatech support 1-800-
933-6478.
Possible Solution
Decrease ON-time.
Increase OFF-time.
Decrease water pressure
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