Table 6-2. Troubleshooting - Alarm Messages - Thermo Scientific 5028i Instruction Manual

Troubleshooting
Troubleshooting Guides
6-4 Model 5028i Instruction Manual
Table 6–2. Troubleshooting - Alarm Messages
Alarm Message
Instrument Alarms – Filter
Tape Counter
Instrument Alarms – Filter
Tape Change
Instrument Alarms –
Bench
Instrument Alarms-Heater
Power
Instrument Alarms –
Motherboard Status
Instrument Alarms –
Interface Status
Instrument Alarms – I/O
Exp Status
Detector Alarms –Board
Status
Detector Alarms – Alpha
Detector Alarms – Beta
Possible Cause Action
Loose reel nuts Tighten reel nuts.
Broken tape Replace tape.
Loose photo interrupt Verify connections.
cable
Loose reel nuts Tighten reel nuts.
Broken tape Replace tape.
Tape motor nut Verify connection to measurement
turning interface board.
Replace tape motor.
Cam working not Verify connector to measurement
functioning interface board.
Replace motor.
Motor turning, cam Verify setscrews on cam coupling.
not
Loose heater power Verify connections.
cable
Measurement Replace the measurement interface
interface board dose board.
not work properly
Internal cables not Check that all internal cables are
connected properly connected properly. Re-cycle AC
power to instrument. If still alarming,
change board.
Board defective Replace board.
Board defective Replace board.
Board defective Replace board.
Detector Re-calibrate detector.
Settings Verify alarm settings are between 0
minimum and 100 maximum.
Disconnected cable Verify cable connections.
Defective detector Replace detector-Beta counts
trending towards zero.
Settings Verify alarm settings are between
5000 minimum and 20000 maximum.
Thermo Fisher Scientific