Alarm code and back up operation Code Descriptions

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Alarm code and back up operation Code Descriptions Alarm LED Operation Auto PTI F XXX EAlarm code and back up operation Code Descriptions Alarm LED Operation Auto PTI F XXX E XXX H XXX d XXX J XXX When fatal damage, which may lead to difficulty of temperature in- range is occurred and unit will stop. This condition is not serious to maintain temperature in-range. Mostly auto back up operation is activate. According to the data log, if there is abnormal phenomenon, this code occurs. The setting can be adjusted by user upon their know-how. This code shows log history, instead of partlow chart. If Auto PTI judges unit abnormal, this code is shown. P XXX This code shows that unit is “Pull down” condition. “XXX” shows pull down time. Backup operation is carried out as much as possible and prevent frequent alarm occurrence during operation. LED ON LED O