l. 10F1 20F1: PTC Error
1. Error display:
ODU display: 10F1 20F1
2. Applicable models:
38VMA***HDS5-1 (208/230V-3Ph-60Hz)
38VMA***HDS6-1 (460V-3Ph-60Hz)
3. Error definition:
4. After turning the system power on, the DC bus voltage is outside the allowable range for more than 10 seconds.
38VMA***HDS5-1(208/230V-3Ph-60Hz): 150-500V
38VMA***HDS6-1 (460V-3Ph-60Hz): 300-900V
5. Possible causes:
• Improper, disconnected, or damaged wiring from the inverter module to the main board CN36/CN39
• Improper or disconnected wiring at PTC of DC filter board
• Damaged PTC on the DC filter board
• Damaged main board
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