Document #: BZ420-XXX
11
Table 3: Display Screen Status Indicator Fault Codes
Display Color
Display Text
Fault
Operation
Action to Take
Green
Background
Bluezone M420
Unit conditions
scrolling
System operating
properly.
Operates
None
Flashing Green
Background
Bluezone M420
Unit conditions
scrolling
Freezing
temperatures
detected.
Unit is off and will
power up when
temperature
increases to >0C
Do not run unit in a
freezing
environment.
Yellow
Background
Contact
Bluezone
Fan not rotating, or
Humidity sensor
failure, or
Bulb counter failure
Unit automatically
powered down.
Check fan for any
visible obstructions.
Contact Bluezone
Products for
service.
Yellow
Background
Replace Bulbs
Unit conditions
scrolling
Bulb life >7,200
hours of operation.
Operates until
8,000 hours of
operation.
Check bulb counter
Order new bulbs
Red Background
Contact
Bluezone
Ozone sensor Trip
Unit automatically
powered down until
sensor resets.
Contact Bluezone
Products
Red Background
Replace Bulbs
Bulb life at 8,000
operation hours.
Unit automatically
powered down until
bulbs replaced and
counter reset.
Replace bulbs and
reset bulb life
counter.
Summary of Contents for Model 420
Page 4: ...Document BZ420 045 3 Key Components 2 6 3 5 4 1 ...
Page 8: ...Document BZ420 XXX 7 Figure 3 Illustration of the Ceiling Mount and Shelf Mount ...
Page 20: ...Document BZ420 XXX 19 Figure 10 Carefully Slide off Bulb Clips using Nitrile Gloves ...
Page 21: ...Document BZ420 XXX 20 Figure 11 Completed Bulb Assembly Figure 12 Bulb counter reset button ...
Page 28: ...Document BZ420 XXX 27 Figure 12 Completed Assembly ...
Page 30: ...Document BZ420 XXX 29 ...
