Overheat (Oh1); Overload (Ol) - Delta HES Series Instructions For Use Manual

Chapter 5 Methods of Anomaly Diagnosis
5-6 Over Heat (OH1)
Hybrid servo controller is
Is the temperature of heat sink
Is airway of cooling fan clogged
Is ambient temperature within
temperature to regulated range

5-7 Overload (oL)

HES Series
overheated
Heat sink is
overheated
higher than 90 ˚ C
Yes
Is load too heavy
No
Is cooling fan running
Yes
No
regulated range
Yes
Adjusted the ambient
Hybrid servo controller is
Reduce load or increase the
capacity of hybrid servo controller
Temperature detection circuit on
No
circuit board malfunctions.
Contact Delta for assistance.
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.
Contact Delta for assistance.
overloaded
5-12