YASKAWA J1000 Technical Manual page 144

Drive internal circuitry is worn.
The drive input power transformer is not
large enough and voltage drops when the
power is switched on.
Air inside the drive is too hot.
The CHARGE indicator light is broken or
disconnected.
YASKAWA ELECTRIC SIEP C710606 31B YASKAWA AC Drive – J1000 Technical Manual
• Check the maintenance time for the capacitors (U4-05).
• Replace the drive if U4-05 exceeds 90%.
• Check for a tripped alarm when the magnetic contactor, line breaker and leakage breaker
are turned on.
• Check the capacity of the drive input power transformer.
• Check the temperature inside the drive.
• Replace the drive.
http://nicontrols.com
6.5 Alarm Detection
YES
YES
YES
YES
143
6