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Troubleshooting
Thermo Fisher Scientific
The troubleshooting guide presented in this chapter is designed to help
isolate and identify instrument problems.
Guide
Table 6–1
checks that you should perform if you experience an instrument problem.
Table 6–2
Table 6–3
Table 6–1. Troubleshooting – General Guide
Malfunction
No power
Display is off
No flow
No battery power
Battery will not take a
charge
No RH/Temp Readings
provides general troubleshooting information and indicates the
lists the error code responses from zeroing.
lists the error codes in the logged data.
Possible Cause
Main fuses are blown or
missing
Digital electronics defective
Disconnected cable
Defective power supply
Wrong contrast setting
LCD cable loose
LCD defective
Blocked inlet
Disconnected pump cable
Disconnected tube
Clogged HEPA filter
Defective pump
Disconnected battery cable
Battery not charged
Disconnected cable
Battery defective
Charger defective
Disconnected cable
RH/Temp board defective
Troubleshooting
Action
Check voltages from power
supply.
Check that all boards and
connectors are seated properly.
Replace with spare boards to
isolate the problem.
Verify cable connections.
Replace power supply.
Adjust contrast setting.
Check connection and cable
integrity.
Replace display.
Verify inlet is not blocked.
Verify cable connection.
Verify tubing connection.
Replace filter.
Replace pump.
Connect battery cable.
Charge battery.
Verify cable connections.
Replace battery.
Replace charger.
Verify cables.
Send in for service.
MIE ADR-1500 Instruction Manual
6-3
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Troubleshooting
