Overheat (Oh1); Overload (Ol) - Delta HES Series User Manual

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5-3-5 Over Heat (OH)

5-3-6 Overload (oL)

Hybrid servo controller is
Reduce load or increase the
capacity of hybrid servo controller
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Hybrid servo controller is
overheated
Heat sink is
overheated
Is the temperature of heat sink
higher than 90°C
Yes
Is load too heavy
No
Is cooling fan running
Yes
Is airway of cooling fan clogged
No
Is environment temperature within
regulated range
Yes
Adjusted the environment
temperature to regulated range
overloaded
deltaacdrives.com
Chapter 5 Methods of Anomaly Diagnosis
No
Yes
Reduce load
No
Replace cooling fan
Yes
Remove the clog
It's likely hybrid servo controller breaks
No
down or malfunctions due to noise. Please
5-9
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sales@deltaacdrives.com
Temperature detection circuit on
circuit board malfunctions. Please
contact Delta for assistance.
contact Delta for assistance.
sales@deltaacdrives.com
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