PSM 3 Fanuc Alpha-i Series PSM alarm code 3
(1)Meaning
- The temperature of the main circuit heat sink has risen abnormally.
(2)Cause and troubleshooting
- The temperature of the main circuit heat sink has risen abnormally.
- (a)Cooling fan for the main circuit broken. Check whether the cooling fan for the main circuit rotates normally. Replace it.
- (b)Dust accumulation Clean the cooling system with a vacuum cleaner or the factory air blower.
- (c)Overload Examine the operating conditions
