Okuma Alarm-D 4284 Thermistor error
The thermistor is defective.
Index
None
Character-string
None
Code
XYY
X=0->Thermistor temperature dropped to -20 or -70.
X=A->Thermistor temperature change from the temperature measured last time has exceeded the value set for the check temperature parameter.
YY=Thermistor channel number
X=B->Thermistor temperature change that exceeds the check temperature parameter provided for each group
YY=Thermistor group number
Probable Faulty Locations
1) Defective TMP board
2) Disconnection of thermistor cable
3) Defective thermistor