TROUBLESHOOTING
This section explains some problems that may occur when the PC200 is going to be installed, or while it is in operation.
Issue Action
Flow meter does not generate pulses Check:
• Signal selection: if the sensor generates above 150 Hz it should be connected
to high frequency input.
• Flow meter, wiring and connection of terminal connectors. See “Terminal
Connectors” on page11.
• Power supply of flow meter. See “Voltage Selection Sensor Supply” on
page11.
Flow meter generates too many pulses Check:
• Signal selection: if the sensor is a reed switch, make sure it is connected to
the low frequency input.
• Proper grounding of the PC200 and flow meter. See “Wiring the PC200” on
page11.
The passcode is unknown If the passcode is not 1234, call your supplier.
ALARM When the alarm flag starts to blink an internal alarm condition has occurred.
Press SELECT several times to display the 5-digit error code. The codes are:
• 0001: Irrecoverable display-data error: data on the display might be
corrupted.
• 0002: Irrecoverable data-storage error: the programming cycle might have
gone wrong: check programmed values.
• 0003: Error 1 and error 2 occurred simultaneously. If the alarm occurs more
often or stays active for a longer time, please contact your supplier.
Table 14: Troubleshooting
Industrial Process Controller, Model PC200
Page 32 April 2017CTL-UM-00483-EN-07
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