ICS-1000 Ion Chromatography System Operator's Manual

4 • Troubleshooting4.1 Alarms and Error ConditionsIf any of the following alarm conditions occurs, a message is displayed in theChromeleon Audit Trail.COLUMN HEATER EXCEEDS SAFE TEMPERATUREThis error occurs when the column heater temperature is higher than themaximum allowed. This error may occur if the ICS-1000 is operating in anextreme environment (greater than 40 °C).To troubleshoot:• Refer to Section A.3 for environmental specifications.COLUMN HEATER OPEN CIRCUITThis error message occurs when the column heater is unplugged from thecomponent panel.To troubleshoot:1. Check that the column heater is correctly plugged into the componentpanel.2. If the error persists, the column heater may be faulty. Replace thecolumn heater (see Section 5.11).COLUMN HEATER SHORT CIRCUITThis error occurs when there is a short circuit on the thermistor input used tomeasure the column heater temperature. This error indicates a faulty columnheater.To troubleshoot:• Replace the column heater (see Section 5.11).Doc. 031879-01 3/03 4-3