Ricoh FT5034, Service Manual

Page: 105 / 139

PROBLEM CAUSE ACTION
STATUS "61"
(PULSE GENERATOR
MALFUNCTION) 1. PULSE GENERATOR MALFUNCTION
2. POWER RELAY MALFUNCTION
3. MAIN BOARD MALFUNCTION
4. MAIN MOTOR MALFUNCTION
5. MAIN CHAIN BROKEN AWAY 1. Check whether the pulse generator disk is rotating.
Rotating
Check the output of the pulse generator at CN102-A5 on the main board.
(When rotating the disk manually, if H and L is displayed, it is OK.
→
If it is correct, replace the main board.
→
If it is not, replace the pulse generator.
Not rotating
1) Check if the main chain is broken away.
2) Check if the exhaust fan is rotating, if not, replace the power relay.
3) Check the voltage at CN3-3 on the PSU. If it is 24V or 0V, replace
the main board.
4) If the voltage at 1-2 of CN2 on the main motor is not 220V, replace the
SSR of the PSU and if it is 220V, replace the main motor.
STATUS "91"
(TOTAL COUNTER
MALFUNCTION) 1. TOTAL COUNTER MALFUNCTION
2. MAIN BOARD MALFUNCTION 1. Check the voltage at CN101-B15 on the main board
(It should be 0V when the total counter is on. (General status is 24V)
If it is all right, replace the main board.
If it is not, replace the total counter.
STATUS "93"
(COMMUNICATION
ERROR BETWEEN
OPTICS CPU AND MAIN
CPU) 1. MAIN BOARD MALFUNCTION 1. Replace the main board.
STATUS "94"
(COMMUNICATION
ERROR BETWEEN
OPERATION PANEL
BOARD AND MAIN
BOARD) 1. CONTACT MALFUNCTION
(BETWEEN OPERATION PANEL
BOARD AND MAIN BOARD)
2. OPERATION PANEL BOARD
MALFUNCTION
3. MAIN BOARD MALFUNCTION 1. Check the contact between the main board and the operation panel
board.
2. Replace the operation panel board.
3. Replace the main board.
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