Yaskawa oH1 fault code meaning
Yaskawa / oH1
Series: A1000, CH700, ES700, FP60B, GA500, GA501, GA700, H1000, J1000, L1000A, T1000V, U1000, V1000, W1000
Heatsink overheat
drive
Meaning:
Possible causes
Source: A1000 Series Quick Start Guide P108; CH700 Technical Manual P349; ES700 Technical Manual P315; FP60B Technical Manual P192; GA500 Technical Manual P305; GA501 Technical Manual P268; GA700 Technical Manual P373; H1000 Series Technical Manual P280; J1000 Series User Manual P125; L1000A Series Quick Start Guide P117; T1000V Series Technical Manual P233; U1000 Series Technical Manual P353; V1000 Series Technical Manual P243; W1000 Series Technical Manual P265
Series: D1000, D1000R
Heatsink overheat
drive
Meaning: The regenerative converter heatsink temperature exceeds the detection threshold of oH1. (Note) The heatsink overheat (oH1) alarm detection threshold varies depending on the setting of o2-04 (unit selection).
Possible causes
- Ambient temperature too high
Source: D1000 Series User Manual P97; D1000R Series User Manual P73
Series: R1000
Heatsink overheat
drive
Meaning: The regenerative unit heatsink temperature exceeds the detection threshold of oH1. (Note) The heatsink overheat (oH1) alarm detection threshold varies depending on the setting of o2-04 (device selection).
Possible causes
- Ambient temperature too high
Source: R1000 Series Instruction Manual P78