Tripp Lite SU60KX manual UPS Internal Comm Abnormal, Same fault message? Replace the power module

5 Troubleshooting (continued)

5.2Troubleshooting Flow Charts (continued)

5.2.8“UPS INTERNAL COMM ABNORMAL”

Start

Has the

communication wire

slipped?(1)

Y

Re-insert communication wire and try again

END

N

Remove power connection of power module #1(2)

Still getting the	Y
same fault message?

N

Replace the power module

Re-insert power connection of previous power module and remove the next power module’s connection

Fig 5.2.8a

Note (1): Check W2A, W2B, W2C, W2D, W4A, W4B and W6 (Fig 5.2.8b).

Note (2): Remove wires W61A, W65A and W68A.

			W3A
		W2A	W4A
		W5	W6
W61A	W65A
				W68A
			W2B
		W5	W6
		W5	W6
W62B	W66B
				W69B
			W2C
		W5	W6
		W5	W6
W63C	W67C
				W70C
			W2D
		W5
			W6
		W2B
	W36D		W4B
W64D
				W71D

Fig 5.2.8b

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