MHT258a (Engl.)
7-7
(3) Alarm detection
The contents of current alarm can be displayed with codes. When [ ] is displayed, the alarm history can be displayed.
When an alarm is detected, the following indication will appear.
Major fault
Minor fault
Indication
Description
Indication
Description
No alarm (Figure above)
Resistor heat (rH)
Overload (OL)
Deviation excessive (OF)
Overspeed (OS)
Amplifier overheat (AH)
Overvoltage (Hv)
Absolute data lost (AL)
Encoder trouble (Et)
Absolute data overflow (AF)
Encoder communication error (EC)
Terminal error (tE)
Circuit trouble (Ct)
Memory error (dE)
Undervoltage (Lv)
Overcurrent (OC)
Combination error (CE)
Resistor heat 2
Cont (Control signal) error (CtE)
System error (SE)
Remarks : The alarm codes are indicated automatically. In alarm history, if
of [
＊＊＊
] is flickering, the alarm has not reset yet.
On this indication, if the alarm detection is reset by the control input signal, the initial screen (system para. 89 setting) is
displayed. The reset of alarm detection can be carried out by trial operation mode [
].
Press the
∧
key and
∨
key simultaneously for 1s or more while alarm detection is indicated to reset the alarm detection.
Alarm code
ENT (1s or more)
ＥＳＣ
Summary of Contents for Faldic-a Series
Page 1: ...RYS V Type User s Manual MHT258a Engl...
Page 55: ...3 28 MHT258a Engl 2 RYS amplifier a 0 03 to 0 2 kW 5 5 150 0 5 0 5 53 60 160 130...
Page 56: ...3 29 MHT258a Engl b 0 4 kW 160 130 60 80 53 150 0 5 0 5 5 5...
Page 57: ...3 30 MHT258a Engl c 0 75 kW 130 160 60 100 54 39 0 5 0 5 150 0 5 0 5 5 5...
Page 58: ...3 31 MHT258a Engl d 1 to 1 5 kW 160 130 60 115 54 54 0 5 0 5 150 0 5 0 5 5 5 Cooling fan...
