Yaskawa GPD 506/P5 Section Three - Manual (Page 27)

PP.P5G5.03.Troubleshoot
Page 27
Rev. 06/11/2003
o
h3 Inverter overheat pre-alarm signal is input from the
multi-function input terminals.
OH2
Over Heat 2
The transistor cooling fin temperature exceeded the
allowable value. GPD 506/P5 (95 ° C),
GPD515/G5 (95 ° C) Response may be selected.
o
h1
N/A ?
OH
Heatsnk Ovrtemp
Possible Cause(s): Cooling fan(s) are not working, high ambient temperature.
Corrective Action: Check for dirt build-up on the fans, reduce the ambient temperature
around the inverter.
Possible Cause(s): An external overheat condition exists connected to one of the multi-
function input terminals 3, 4, 5, 6, 7, or 8.
Corrective Action: Check for an external condition, verify the program parameters.
Fault Codes
Minor Fault
- Operation continues and the digital operator indication blinks
The fault relay does not activate.
505 506
√
515
√