Ricoh MET-C1 - Page 509

SC No. Level Error Name/Error Condition/Major Cause/Solution
SC547-02 D
Zero cross error (relay contact fault)
In the event of an error
• Fusing relay damage (contact open)
• Fusing relay drive circuit fault
• PSU fuse (24VS) blowout
• Turn the main power supply switch OFF/ON
• If the fusing relay is damaged, replace the PSU (AC Controller
Board)
• Check the connection between PSU (AC Controller Board) and
control board, and replace harness and board if necessary
• If the PSU (AC Controller Board) fuse (24VS) blows out, replace the
fuse
SC547-03 D
Zero cross error (low-frequency error)
In the event of an error
Frequency instability of commercial power line
• Turn the main power supply switch OFF/ON
• Check the power source
• Check the connection between PSU (AC Controller Board) and
control board, and replace harness and board if necessary
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC549-01 D Shield Operation Error Detection
During HP detection operation, shield sensors 1 and 2 detect "High" for
(t30) seconds continuously.
SC549-02 D Shield Operation Error Detection
During shield basic operation, shield sensor 2 does not go "Low > High"
even if (t31) seconds elapsed from screen motor rotation start.
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