Hitachi SJ Series, User Manual

Page: 410 / 786

12-19-13
Chapter 12 Inverter Function
12.19.11 Outputting a warning about the
lives of the capacitors on the control circuit
board
• I want to know the lives of the capacitors on the
circuit board before they reach their life spans.
• Assign the output terminal function 029 [WAC]
capacitor life prewarning signal to one of [CC-01]
to [CC-07] that corresponds to the output terminal
and output the signal.
• The life spans of the capacitors on the circuit board
are diagnosed from the temperature inside the
inverter and the energized time.
• The state of this signal can be monitored by using
the life diagnostic monitor. Refer to 13.11.1
“Checking the life monitor.”
• A warning will also be displayed in the display
icons on the operating panel.
Parameter
• You are recommended to replace the main circuit
board and the logic board when a warning about
capacitor lives is generated.
Item Parameter Data Description
Output terminal function
selection 11-15
[CC-01]~[CC-05]
029
The capacitor life prewarning signal (on board)
[WAC] is output.
OFF: No warning
ON: Time to replace the circuit board because the
capacitors has reached their life spans
Relay output terminal function
selection 16A-16C
[CC-06]
Relay output terminal function
selection AL1-AL0/AL2-AL0
[CC-07]
Life diagnostic monitor [dC-16] LL~HH
The monitors become H at the end of the life spans.
The monitor on the right indicates the lives of the
capacitors on the circuit board, whereas that on the
left indicates the life of the cooling fan.
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