Ricoh PRO C7200X - Page 107

1.SC Codes
103
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
 Change the frequency of the commercial power supply line to 50 Hz or 60 Hz.
 Replace the AC drive board.
 Replace the IOB.
 Check the connectivity from CN418 on the AC drive board to CN322 on the
IOB.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC547-
04
D
Zero Cross Error 2 (Relay contact welded)
Fusing relay contact defective
 Fusing relay defective (contact opened)
 Fusing relay drive circuit defective
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1. Check the connectivity from CN419 on the AC drive board to CN322 on the
IOB.
2. Replace the AC drive board.
3. Replace the IOB.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC547-
05
D
Zero Cross Error 2 (Relay contact defective)
Fusing relay contact defective
 Fusing relay defective (contact opened)
 Fusing relay drive circuit defective
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1. Check the connectivity from CN419 on the AC drive board to CN322 on the
IOB.
2. Replace the AC drive board.
3. Replace the IOB.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC547-
D
Zero Cross Error 2 (low frequency error)