LumaSense Technologies M330 - Manual (Page 21)

M330 Manual Maintenance 21
5 Maintenance
5.1 Cavity Life
The life expectancy of the cavity depends on the time and temperature of operation. The higher
the temperature, the shorter the life span. At temperatures near the upper end of the range,
the life expectancy is shortened by approximately 50%. We recommend an occasional visual
check be made to insure maximum system integrity. The cavity is field replaceable without
disturbing any control thermocouples. Refer to Section 3.1 Cavity Installation.
5.2 Safety Interlocks
Automatic shut-down will occur if the cavity housing exceeds ~200 °C. Reset must be made
manually when over-temperature causes a shut down. There is a manual reset pushbutton on a
white, ceramic sensor mounted on the stainless cavity box. Remove the rear cover or the top
cover of the cabinet to access this sensor.
The cooling fans will operate only when the internal temperature is above 40 °C (104 °F).
5.3 Periodic Inspections
Check periodically and upon every start up the following items:
1. Unusual cracks or chipping in or around the cavity.
2. Unusual noises and smells when applying power.
5.4 Fuse Locations
The M330 has one or two fuses. Refer to the table below.
Fuse Nµmber Amps/volts Location Description
F1 1A / 250 VAC External Rear Panel Fan
F2 1A / 250 VAC External Rear Panel Fan
F5 1A / 250 VAC External Rear Panel Controller
F6 1A / 250 VAC External Rear Panel Controller
F7 40A / 250 VAC External Rear Panel SCR
Power switch 16A / 250 VAC Front panel Breaker-switch combination
5.5 Cleaning
Clean the outside of the cabinet with mild soapy solution and water only. Vacuum the inside
occasionally to remove dust.