Sanyo Denki Py 2 Manual

 
8.  MAINTENANCE 
8 - 5 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
0011 AOH Amplifier 
OverheatPossible• Overheat was detected in Amplifier. 
• Overheat was detected in regenerative 
resistor of Amplifier. 
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short. 
 
Operating state when alarm occurred 
POSSIBLE CAUSES   OPERATING STATE 
1  2 3 4 5 
When control power supply is turned on △ 
 ○ △ 
 
During...

 
8.  MAINTENANCE 
8 - 6 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
0101 OV Over 
voltage Possible DC voltage of main circuit of amplifier 
exceeded allowable voltage 
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short. 
 
Operating state when alarm occurred 
POSSIBLE CAUSES OPERATING STATE 
1 2 3 4 5 6 
When control power supply is turned on ○ 
     
When main circuit power supply is turned on ○ ○...

 
8.  MAINTENANCE 
8 - 7 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
0110 OS Over 
speed Possible Rotating speed of servomotor exceeded 
allowable speed (1.2 times maximum 
rotating speed) during operation. 
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short. 
 
Operating state when alarm occurred 
POSSIBLE CAUSES OPERATING STATE 
1  2 3 4 5 
When control power supply is turned on ○ △ 
   
Upon command...

 
8.  MAINTENANCE 
8 - 8 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
0111 PE Control 
power 
supply 
error  Possible Control power supply input voltage is 
below specified range 
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short. 
 
Operating state when alarm occurred 
POSSIBLE CAUSES OPERATING STATE 
1 2 3 
When control power supply is turned on △ ○ 
 
During operation △ 
 ○ 
 
Corrective Measures...

 
8.  MAINTENANCE 
8 - 9 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 Abbreviation Alarm NameAlarm 
Clear Contents 
DE1 Encoder 
disconnection
(sensor error)Not 
possibleDisconnection of sensor signal (A, B, C 
or PS signal) line was detected 
DE2 Serial 
disconnection 
(sensor error)Not 
possibleDisconnection of sensor signal (PS 
signal) line was detected 
DE3 Encoder initial 
error (sensor 
error) Not 
possibleInitial data of motor sensor can not be 
read in.  1000 
DE4 Serial 
receiving...

 
8.  MAINTENANCE 
8 - 10 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
1001 MPE Main 
power 
supply 
drop Possible Main circuit power supply voltage drop 
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short. 
  
Operating state when alarm occurred 
POSSIBLE CAUSES OPERATING STATE 
1 2 3 4 5 
When control power supply is turned on       ○ △ 
After main circuit power supply is turned on ○ ○ 
   
During...

 
8.  MAINTENANCE 
8 - 11 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
1010 FP Main 
power 
supply 
phase 
loss Possible Phase loss detected in 3-phase main 
power supply input 
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short. 
  
Operating state when alarm occurred 
POSSIBLE CAUSES OPERATING STATE 
1 2 3 
When control power supply is turned on   ○ 
 
When main power supply is turned on ○ 
 ○ 
During...

 
8.  MAINTENANCE 
8 - 12 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
1100 SE Velocity 
control 
error Possible Velocity control is not functioning normally 
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short. 
 
Operating state when alarm occurred 
POSSIBLE CAUSES OPERATING STATE 
1 2 3 4 5 
When control power supply is turned on         ○ 
Upon servo ON input ○ 
 ○ 
  
Upon command input ○ ○ ○...

 
8.  MAINTENANCE 
8 - 13 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
1101 OVF Excess 
position 
deviationPossible Position loop deviation counter exceeded 
allowable value 
 
Operating State when alarm occurred 
POSSIBLE CAUSES OPERATING STATE 
12345678 9 10 111213
When control power supply is turned on           ○ 
   
During stoppage at servo ON             ○
    ○
  
When command input is started   ○△○○○
 ○△ ○ 
 △
  
During high speed...

 
8.  MAINTENANCE 
8 - 14 
Alarm Status 
Segment LED 
Display Alarm Code 
ALM8,4,2,1 AbbreviationAlarm 
NameAlarm 
Clear Contents 
 
0011 EXOH External 
overheat
 Possible External overheat was detected. 
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short. 
  
Operating state when alarm occurred 
POSSIBLE CAUSES OPERATING STATE 
1 2 3 4 
When control power supply is turned on ○ ○ 
 △ 
After operating for a short period     ○ △ 
 
Corrective Measures 
 CAUSE...