Panasonic FP-7818 Service Manual & Parts Manual page 132

E5-04: Vo (+10V) line
When the power switch is turned on, DC10V is not detected.
Is DC24V detected on between
CPU PCB CN1-8 and 9?
E5-10: +5V (for Power saving mode)
When the power saving mode is operated on and DC5V power supply is not 0V,
The E5-10 is indicated just moved power saving mode.
E5-21: ADF communication abnormal
When the communication signal between ADF and copier is abnormal.
Is ADF connector
inserted securely?
YES
E5-22: Sorter communication abnormal
When the communication signal between the sorter and copier is abnormal.
Is Sorter connector
inserted securely?
YES
E5-23: Control panel communication abnormal
When the communication signal between the control panel and copier CPU become abnormal,
after normal communication between the control panel and the copier has occurred.
Is CN103 connector of the CPU PCB
inserted securely?
YES
Is CN104 connector of the LVPS PCB
inserted securely?
YES
Is CN401 connector of the control panel
CPU PCB inserted securely?
YES
YES (IC16, IC9 or IC13)
NO Re-insert ADF connector securely.
ADF control PCB is defective.
(Refer to ADF Service Manual)
Copier CPU PCB is defective.
NO Re-insert Sorter connector securely.
Sorter control PCB is defective.
(Refer to Sorter Service Manual)
Copier CPU PCB is defective.
NO Re-insert CN103 securely.
NO Re-insert CN104 securely.
NO Re-insert CN401 securely.
Any PCB is defective.
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