Error codes konica minolta

Code: C2353
Description:
IU cooling fan failure to turn. The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Causes:
• IU cooling fan (FM15) • PH relay board (PHRYB)
Remedy:
1. Check the connector between FM15-relay CN707-PHRYB CN13 for proper connection and correct as necessary. 2. Check the fan for possible overload and correct as necessary. 3. FM15 load check • Check code: 42 • Multi code: 4 • Control signal: PHRYB CN13-1 (DRIVE), PHRYB CN13-3 (LOCK) • Location of electrical component: 8-B 4. Replace FM15. 5. PHRYB ICP6 conduction check. 6. Replace PHRYB.