Plc Control Answering Alarms - Conair PCW-1.5 User Manual

P L C C o n t r o l A n s w e r i n g A l a r m s
When an alarm condition occurs, the Alarm light on the control panel lights and
the control screen displays the alarm message.
Low Suction Pressure
Before an alarm can be reset using the "Alarm Silence/Reset" key (#9 key), the
alarm condition must be cleared. The acknowledgement of an alarm is done by
pressing and holding the "Alarm Silence/Reset" key (#9 key) for 3 seconds.
press #9 key
If there is a fault affecting compressor operation such as overload, high or low dis-
charge pressure, compressor fault, etc., there is a three-minute delay before the
compressor can be started. The compressor light will flash quickly indicating that
manual reset is necessary. The manual reset should be performed only after the
alarm condition has been diagnosed and corrected. The manual reset will start the
compressor provided all other permissive are enabled. To manually reset the com-
pressor, press the Alarm Silence button and hold for 6 seconds.
To view a list of the last 10 alarms, refer to Alarm History Screens, in the
Troubleshooting section of this manual. Alarms are numbered and listed in order
of occurrence, starting with the most recent.
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