5-54
E4-10: Exhaust fan motor (1) rotation
E4-11: Exhaust fan motor (2) rotation
E4-12: Exhaust fan motor (3) rotation
A lock signal is detected when the
fanmotor is rotating.
Is DC24V detected on CN106-3, 6 or NO LVPS is defective.
CN107-6 (on LVPS PCB)?
YES
Connector is shorted or broken.
Harness is defective.
Fan is defective.
A rotation signal is detected when the fan motor stops.
Is 0V CN106-3, 6 or CN107-6 NO LVPS is defective.
(on LVPS PCB)?
YES
Fan is defective.
E5-01: Vp (+24V)
When the VCNT signal is "L", DC24V output is under approximately 18V or
when the VCNT signal is "H", DC24V outputs over approximately 18V/approximately.
Is DC24V detected on CN851-3 and 4 NO VCNT signal connector is
of the LVPS PCB? defective or broken.
YES Low voltage power supply PCB is defective.
Is DC24V detected on CN205-1 and 2 NO Connector is shorted or broken.
of CPU PCB? Harness is defective.
YES
Is DC24V detected on CN205-3 and 4 NO The front cover open/close switch is defective.
of the AC driver PCB? The front cover is not closed correctly.
YES
Connector is shorted or broken. Harness is
defective.
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