181 There is a fault in the communications cable, the serial interface in the uninterruptible power supply 2145 UPS-1U, or the 2145.

Action

Check that the communications cable is correctly plugged in to the 2145 and the 2145 UPS-1U. If the cable is plugged in correctly, replace the FRUs in the order shown.

Possible Cause-FRUs or other:

2145-8G4 or 2145-8A4

• 2145 power cable assembly (40%)
• 2145 UPS-1U assembly (30%)
• 2145 system board (30%)

2145-8F2 or 2145-8F4

• 2145 power cable assembly (40%)
• 2145 UPS-1U assembly (30%)
• 2145 frame assembly (30%)