Error codes konica minolta

Code: C4301
Description:
PH cooling fan failure to turn. The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Causes:
• PH cooling fan (FM14) • PH relay board (PHRYB)
Remedy:
1. Check the connector between FM14-relay CN202-PHRYB CN12 for proper connection and correct as necessary. 2. Check the fan for possible overload and correct as necessary. 3. FM14 load check • Check code: 42 • Multi code: 20, 21 • Control signal: PHRYB CN12-4 (DRIVE), PHRYB CN12-5 (LOCK) • Location of electrical component: 8-B 4. Replace FM14. 5. PHRYB ICP6 conduction check. 6. Replace PHRYB.