CEM MARS 6 User Manual

89
Troubleshooting Guide
Instrument Inoperative Instrument not plugged into electrical outlet
Power switch not in “on” position
Blown fuse
Loose connection to power switch
Faulty power switch
No Microwave Power
Instrument door ajar
Incorrect percentage of power selected
Interlock(s) not properly adjusted or faulty
Faulty controller board
Faulty thermal switch
Faulty high voltage component
Low Microwave Power
Low line voltage
Incorrect wattage parameter
Incorrect percentage of power selected
Faulty high voltage component
Fuse Blows When Door is Opened Interlock(s) not properly adjusted
Faulty interlock(s)
Fuse Blows Repeatedly During
Operation
Low line voltage
Faulty high voltage component
Faulty DC power supply
Faulty controller board
Inoperative Turntable
Faulty turntable drive assembly
Faulty controller board
Turntable Not Alternating
Faulty turntable drive assembly
No Display Loose or broken wiring connections
Loose or faulty interface cable
Faulty display
Faulty controller board
Inoperative Vessel Stirring Motor Loose or broken stirring motor belt
Faulty Stirring motor
Erratic Pressure (ESP-1500 Plus)
Incorrect setting
Leakage from vessel
Loose vent fitting
Loose bulkhead connector
Improper grounding connection
Faulty ESP-1500 Plus
Faulty controller board
Erratic Temperature (MTS-300) Broken thermowell
Faulty MTS-300
Faulty controller board

CEM MARS 6 Specifications

General

Type	Microwave Digestion System
Power Output	1600 W
Temperature Control	Yes
Pressure Control	Yes
Vessel Capacity	up to 40 vessels
Display	Touchscreen
Operating Pressure	up to 800 psi
Temperature Range	up to 300°C
Temperature Accuracy	± 1 °C
Power Supply	220-240 V, 50/60 Hz
Safety Features	Over-temperature and over-pressure protection
Power Consumption	1600W
Cooling Rate	Forced air cooling