HD2 Portable Hot Air Dryer

Possible Causes To Possible Causes of HD2

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*Number in parenthetheis are Japanese check items.

Diagnosis item Reverse Phase
Blower Overload 
Sensor Disconnect 
Upper Limit
Lower Limit
Temperature will not increase


Reverse Phase

(Alarm) Will occur when the power cord connections are in reverse phase.

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Blower Overload


(Alarm) Will occur when an electromagnetic switch thermal relay trip is caused by an overcurrent in the blower.
Operation will automatically stop.

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Sensor Disconnect


(Alarm) Will occur when a CA sensor or its wirings are disconnected. Operation will automatically stop.

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Upper Limit


(Alarm) Will occur if "set temperature + upper limit set temperature" happens to drying temperature. Operation may stop or continue depending on state of run during Upper Limit Alarm.

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Lower Limit


(Alarm) Will occur if "set temperature - lower limit set temperature" happens after drying temperature reaches the set temperature. Operation will continue.

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Temperature will not increase




To Possible Causes of HD2