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and found the following result, that may require a technician to resolve:
Clean unit fan failure to turn (When CU-101 is installed). The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
• Exhaust fan/1 (FM14) • Exhaust fan/2 (FM15) • Suction fan (FM16) • Clean unit drive board (CUDB) • MFP board (MFPB)
1. Check the connector between CUDB CN1-MFPB CN32E for proper connection and correct as necessary. 2. Check the connector between FM14-CUDB CN3, FM15-CUDB CN2, FM16-relay CN183-CUDB CN4 for proper connection and correct as necessary. 3. Check the fan for possible overload and correct as necessary. 4. FM14, FM15, FM16 operation check • Load check: Check code42, Multi code 4 • Control signal: CUDB CN3 (FM14), CUDB CN2 (FM15), CUDB CN4 (FM16) • Location of electrical component: 14-X 5. Replace the defective fan. (FM14 / FM15 / FM16) 6. Replace CUDB. 7. MFPB ICP14E conduction check 8. Replace MFPB.