8.Maintenance
Trouble shooting when alarm activated
8-23
■
Alarm Code D3 (Faulty Position Command Pulse Frequency 2)
Status at the time of alarm
Cause
1
2
Issued after entering position command pulse.
✔
✔
◆
Corrective actions
Cause
Investigation and corrective actions
1
■
Frequency of command pulse input is
excessive.
■
Reduce the frequency of command
pulse input.
2
■
Setting value of electronic gear is
excessive.
■
Decrease the electronic gear setting
value.
■
Alarm Code DF (Test Run Close)
Status at the time of alarm
Cause
1
Occurred after execution of test mode.
✔
◆
Corrective actions
Cause
Investigation and corrective actions
1
■
Normal operation.
■
Clear the alarm and restore operation.
(After completion of test mode, to
confirm any deviation in the controller).
■
Alarm Code E1 (EEPROM Error)
Status at the time of alarm
Cause
1
Issued during display key operation or set up software operation.
✔
◆
Corrective actions
Cause
Investigation and corrective actions
1
■
Defect in internal circuit of driver.
■
Replace the driver.
■
Alarm Code E2 (EEPROM Check Sum Error)
Status at the time of alarm
Cause
1
2
Issued when control power supply is turned ON.
✔
✔
◆
Corrective actions
Cause
Investigation and corrective actions
1
■
Correct value not read by CPU by
EEPROM built-in driver.
■
Replace the driver.
2
■
Failed to write into the EEPROM
during last power supply cutoff.
■
Replace the driver.
Summary of Contents for M-EGA-15A2301
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